Finding the Third Proportional to 385,813.13 and 520,440.19
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Solution
The third proportional to 385,813.13 and 520,440.19 is: 702,044.52
Step by Step Solution
- Step 1: Write the proportion equation
385,813.13 : 520,440.19 = 520,440.19 : x - Step 2: Convert to fraction form
385,813.13/520,440.19 = 520,440.19/x - Step 3: Cross multiply
385,813.13x = 520,440.19 × 520,440.19 - Step 4: Simplify right side
385,813.13x = 270,857,988,765.04 - Step 5: Solve for x
x = 270,857,988,765.04/385,813.13 - Step 6: Final answer
x = 702,044.52
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.