Advertisements
Advertisements
प्रश्न
Find the mean proportion of the following :
`28/3` and `175/27`
Advertisements
उत्तर
Let x be the mean proportion
`28/3 : "x" : : "x" : 175/27 `
`=> "x" xx "x" = 28/3 xx 175/27`
`=> "x"^2 = 4900/81`
`=> "x" = sqrt(4900/81)`
`=> "x" = 70/9`
The mean proportion is `70/9`
APPEARS IN
संबंधित प्रश्न
Find the fourth proportion to the following :
(x2 - y2),(x3 + y3)anc(x3 - xy2 + x2y- y3)
If a : b : : c : d, then prove that
2a+7b : 2a-7b = 2c+7d : 2c-7d
Using the properties of proportion, solve for x, given. `(x^4 + 1)/(2x^2) = (17)/(8)`.
If a, 12, 16 and b are in continued proportion find a and b.
Find two numbers such that the mean proportional between them is 28 and the third proportional to them is 224.
If the cost of 14 m of cloth is Rs 1890, find the cost of 6 m of cloth.
The angles of a triangle are in the ratio 3 : 1 : 2. The measure of the largest angle is
If a, b, c, d are in continued proportion, prove that: `(a^3 + b^3 + c^3)/(b^3 + c^3 + d^3) = a/d`
Are the following statements true?
7.5 litres : 15 litres = 5 kg : 10 kg
Which of the following statements correctly defines a proportion involving four non-zero quantities a, b, c, and d?
