Finding the Third Proportional to 418,454 and 915,154
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Solution
The third proportional to 418,454 and 915,154 is: 2,001,431.09
Step by Step Solution
- Step 1: Write the proportion equation
418,454 : 915,154 = 915,154 : x - Step 2: Convert to fraction form
418,454/915,154 = 915,154/x - Step 3: Cross multiply
418,454x = 915,154 × 915,154 - Step 4: Simplify right side
418,454x = 837,506,843,716 - Step 5: Solve for x
x = 837,506,843,716/418,454 - Step 6: Final answer
x = 2,001,431.09
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.