ICSE Class 10 Answered
Find the two numbers whose mean proportional is 28 and the third prortional is 224
Asked by Vijayalakshmigowrish | 05 Jan, 2019, 08:01: PM
Expert Answer
Let two numbers be a and b. if mean proportion of a and b is 28, then we have
third proportion is 224 means, we need to find numbers such that a:b = b:c , hence b2 = 224 or
hence a is given by
If third proportion of a nd b is 224, then we need to find numbers such that a:b = b:c
hence c = b2 / a
Answered by Thiyagarajan K | 06 Jan, 2019, 08:45: AM
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