Definition of in proportion to
1 : related in size, number, or amount to (something else) Your share of the profits will be in proportion to the amount of work that you do.
2 : having the correct or appropriate relationship in size, shape, or position to (some other part of the same thing) The garage is not in proportion to the house.
3 : when compared to the size, shape, or position of (some other part of the same thing) His head is large in proportion to his body.
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