then the ratios are said to be directly proportional to each other. Proportions are denoted using the symbol ‘::’ or ‘=’. For example, 2:5 :: 4:8 or 2/5 = 4/8. Here, 2 and 8 are the extremes, while
Example 3Two numbers are in the ratio 3 : 4. If the sum of numbers is 63, find the numbers. SolutionWe have been given that two numbers are in the ratio 3 : 4. Also the sum of numbers is 63. Let us first summarise the information given to us. Sum of the terms of the ratio ...
If the values of two quantities depend on each other in such a way that a change in one results in a corresponding change in the other, then the two quantities are said to be in proportion. For instance, let us consider the distance covered by a train in a given interval of time and...