Question

Find the mean proportion of the following 81 and 100

Answer 1

Answer:

0.81

Step-by-step explanation:

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Answer 2

Answer:

Let the mean proportional be x

Then,

81:x::x:100

product of means = product of extremes

therefore, 

x*x=100*81

x^2=8100

x=90

Step-by-step explanation:

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