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 third proportional to a – b and a2 – b2
If `a/b = c/d` prove that each of the given ratios is equal to
`(5a + 4c)/(5b + 4d)`
If a, b, c are in continued proportion and a(b – c) = 2b, prove that: `a - c = (2(a + b))/a`.
In proportion, the 1st, 2nd, and 4th terms are 51, 68, and 108 respectively. Find the 3rd term.
24 workers can build a wall in 15 days. How many days will 9 workers take to build a similar wall?
If a, b, c are in proportion, then
If a, b, c are in continued proportion, prove that: abc(a + b + c)3 = (ab + bc + ca)3
Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion
Which of the following statements correctly defines a proportion involving four non-zero quantities a, b, c, and d?
A picture frame’s length and width are in the ratio 4 : 3. If the length is 28 cm, what is the width?
