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The mean proportion of 9 and 16 is
  • a)
    16
  • b)
    9
  • c)
    12
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The mean proportion of 9 and 16 isa)16b)9c)12d)None of theseCorrect an...
Let mean proportion be x. 
9/x = x/16
x^2 = 9 x 16 = 144
x = 12
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The mean proportion of 9 and 16 isa)16b)9c)12d)None of theseCorrect an...
Mean Proportion of 9 and 16:

The mean proportion of two numbers is the value that lies between the two numbers such that the ratio of the first number to the mean proportion is equal to the ratio of the mean proportion to the second number.

In this case, we have two numbers, 9 and 16. Let's assume the mean proportion is 'x'.

So, the ratio of 9 to 'x' is equal to the ratio of 'x' to 16.

9/x = x/16

To solve this equation, we can cross multiply:

9 * 16 = x * x

144 = x^2

To find the value of 'x', we need to find the square root of 144:

x = √144

x = 12

Therefore, the mean proportion of 9 and 16 is 12.
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The mean proportion of 9 and 16 isa)16b)9c)12d)None of theseCorrect an...
12
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The mean proportion of 9 and 16 isa)16b)9c)12d)None of theseCorrect answer is option 'C'. Can you explain this answer?
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