Find the mean proportion of: 8.1 and 2.5

योग

Let the x be the mean proportion of 8.1 and 2.5
∴ 8.1 : x : : x : 2.5
∴ x2 = 8.1 x 2.5
∴ x = `sqrt(8.1 xx 2.5)`
= `sqrt(20.25)`
= 4.5.

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अध्याय 6: Ratio and Proportion - Exercise 7.2

अध्याय 6 Ratio and Proportion
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