Question

Find the mean proportional between the following with explanation:
1.2 and 0.3
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Answer 1

Answer:

x = 0.6

Step-by-step explanation:

Let the mean proportion be x

1.2 : x : : x : 0.3

$= \frac{1.2}{x} = \frac{x}{0.3} \\= 1.2(0.3) = x^{2} \\= 0.36 = x^{2} \\= \sqrt{0.36} = x\\= 0.6 = x$

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