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The mean proportion 9 and 16 …

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The mean proportion 9 and 16 is
  • 4 answers

Gaurav Seth 5 years, 4 months ago

when four numbers say A,B,C,D are in similar quantities such that A:B= C:D then they are said to be in proportion.

when A,B,C are in continued proportion then B is said to be the mean proportional.

let us take A=9 and C=16 and B as X. then

A:X : : X:C

9:X : : X:16

{x}^{2} = 9 \times 16x2=9×16

{x}^{2} = 144x2=144

Therefore, x = 12.

So, the mean proportional of 9 and 16 is 12.

Vansh Kumar 5 years, 4 months ago

12

Vansh Kumar 5 years, 4 months ago

9

Vansh Kumar 5 years, 4 months ago

16
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