Advertisements
Advertisements
प्रश्न
Find the third proportional to 5.25, 7
Advertisements
उत्तर
Let the required third proportional be x
∴ 5.25, 7, x are in continued proportion
⇒ 5.25 : 7 = 7 : x
⇒ 5x = 7 × 7
⇒ x = `(7xx7)/5.25`
⇒ x = `49/5.25=28/3`
⇒ x = `9 1/3`
∴ Required proportional = `9 1/3`
APPEARS IN
संबंधित प्रश्न
Find the triplicate ratio of the following :
`2 sqrt 5 : 5 sqrt 2`
Find the sub-triplicate ratio of the following :
512: 216
Express the following ratios in its simplest form :
5 kg: 800 gm
The costs of the two articles are in the ratio 7 : 4. If the cost of the first article is Rs. 2,800; find the cost of the second article.
Reema has 24 notebooks and 18 books. Find the ratio of notebooks to books.
The ratio of the number of male and female workers in a textile mill is 5 : 3. If there are 115 male workers, what is the number of female workers in the mill?
Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is
Find the simplified form of the following ratio.
32 : 24
In the following figure, find the ratio of the area of the shaded portion to that of the whole figure:
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father after 10 years to the age of son after 10 years.
