proportion
US /prəˈpɔːr.ʃən/
UK /prəˈpɔːr.ʃən/

1.
a part, share, or number considered in comparative relation to a whole
:
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The proportion of women in the workforce has increased.
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A large proportion of the budget was spent on marketing.
1.
adjust or regulate (something) so that it has a particular relationship or ratio to something else
:
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You need to proportion the ingredients carefully for the best result.
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The punishment should proportion to the crime.