Finding the Third Proportional to 2,986 and 4,687
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Solution
The third proportional to 2,986 and 4,687 is: 7,356.99
Step by Step Solution
- Step 1: Write the proportion equation
2,986 : 4,687 = 4,687 : x - Step 2: Convert to fraction form
2,986/4,687 = 4,687/x - Step 3: Cross multiply
2,986x = 4,687 × 4,687 - Step 4: Simplify right side
2,986x = 21,967,969 - Step 5: Solve for x
x = 21,967,969/2,986 - Step 6: Final answer
x = 7,356.99
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.