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Finding the Third Proportional to 240,792 and 372,672

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Solution

The third proportional to 240,792 and 372,672 is: 576,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,792 : 372,672 = 372,672 : x
  2. Step 2: Convert to fraction form
    240,792/372,672 = 372,672/x
  3. Step 3: Cross multiply
    240,792x = 372,672 × 372,672
  4. Step 4: Simplify right side
    240,792x = 138,884,419,584
  5. Step 5: Solve for x
    x = 138,884,419,584/240,792
  6. Step 6: Final answer
    x = 576,781.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.