Question

Find the mean proportional between 20 and 5​

Answer 1

Answer:

if x is the mean proportion

:. x/20 = x/5

:.x*x = 20*5

:.x² = 100

:.x = 10

Answer 2

Answer:

10

Step-by-step explanation:

Let x be the mean proportion.

x/5 = x/20

x*x = 20*5 (by cross-multiplication)

x² = 100

x = √100

x = 10 Ans.

The mean proportion of 5, 20 is 10.

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