Question

What is The mean proportional between 1.4gms and 5.6gms?​

Answer 1

Answer:

2.8 grams

Step-by-step explanation:

Let 1.4 gms, x gms and 5.6 gms be in continuous proportion.

(Mean proportional terms)^2 = Product of extremes.

Therefore x^2 = 1.4 x 5.6

therefore x^2 = 7.84

therefore x= 2.8 gms.

Answer 2

The mean proportional between  1.4 gms and 5.6 gms is 2.8 gms.

Step-by-step explanation:

To find : What is the mean proportional between 1.4 gms and 5.6 gms?​

Solution :

Let x be the mean proportion.

So, 1.4, x, 5.6 be in continuous proportion.

(Mean proportional terms)² = Product of extremes

i.e. $x^2 = 1.4\times 5.6$

$x^2 =7.84$

$x=\sqrt{7.84}$

$x=2.8$

Therefore, the mean proportional between  1.4 gms and 5.6 gms is 2.8 gms.

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