common ratio

noun

Definition of common ratio

: the ratio of each term of a geometric progression to the term preceding it

Examples of common ratio in a Sentence

Recent Examples on the Web If the length of the base of the lower triangle (at the right) is 1 unit and the base of the large triangle is P units, then the common ratio of the two different sides is P. Quanta Magazine, "How to Solve Our Three John Conway-Inspired Puzzles," 20 Nov. 2020 The Digital Edition ratios at individual locations ranged from 13 to 33 percent of all the available PS5 preorders, with 20 percent being the most common ratio. Kyle Orland, Ars Technica, "PS5 retailers have many fewer Digital Edition systems for preorder [Updated]," 18 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'common ratio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of common ratio

circa 1771, in the meaning defined above

Keep scrolling for more

Learn More about common ratio

Time Traveler for common ratio

Time Traveler

The first known use of common ratio was circa 1771

See more words from the same year

Statistics for common ratio

Last Updated

3 Dec 2020

Cite this Entry

“Common ratio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/common%20ratio. Accessed 26 Jan. 2021.

Comments on common ratio

What made you want to look up common ratio? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!