mean proportional

noun

Definition of mean proportional

: geometric mean especially : the square root (such as x) of the product of two numbers (such as a and b) when expressed as the means of a proportion (such as a/x = x/b)

First Known Use of mean proportional

1571, in the meaning defined above

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The first known use of mean proportional was in 1571

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Cite this Entry

“Mean proportional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mean%20proportional. Accessed 25 Sep. 2020.

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