Question

The mean proportion between 25,81 is?

Answer 1

Mean proportion of 25 and 81 is 45

Solution:

Given two numbers are 25 and 81

We have to find mean proportion between 25 and 81

TO FIND A MEAN PROPORTIONAL:

Multiply the two given numbers together, then extract the square root out of their product, and it will be the mean proportional sought.

Mean proportion of a and b is: $\sqrt{a \times b}$

Mean proportion of 25 and 81:

$\rightarrow \sqrt{25 \times 81} = \sqrt{2025} = 45$

Thus mean proportion of 25 and 81 is 45

Learn more about mean proportion

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Answer 2

Answer:

$\red {Mean \: proportion \:of \: 25 \:and \:81}\green {= 45 }$

Step-by-step explanation:

$\pink {Mean \: proportion \:of \: a \:and \:b = \sqrt{ab}}$

$Mean \: proportion \:of \: 25 \:and \:81\\= \sqrt{25 \times 81}$

$= \sqrt{ 5^{2}\times 9^{2}}\\= 5\times 9 \\= 45$

Therefore.,

$\red {Mean \: proportion \:of \: 25 \:and \:81}\green {= 45 }$

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