Finding the Third Proportional to 62,690 and 87,864
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Solution
The third proportional to 62,690 and 87,864 is: 123,146.95
Step by Step Solution
- Step 1: Write the proportion equation
62,690 : 87,864 = 87,864 : x - Step 2: Convert to fraction form
62,690/87,864 = 87,864/x - Step 3: Cross multiply
62,690x = 87,864 × 87,864 - Step 4: Simplify right side
62,690x = 7,720,082,496 - Step 5: Solve for x
x = 7,720,082,496/62,690 - Step 6: Final answer
x = 123,146.95
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.