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Finding the Third Proportional to 337,931 and 472,449

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Solution

The third proportional to 337,931 and 472,449 is: 660,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,931 : 472,449 = 472,449 : x
  2. Step 2: Convert to fraction form
    337,931/472,449 = 472,449/x
  3. Step 3: Cross multiply
    337,931x = 472,449 × 472,449
  4. Step 4: Simplify right side
    337,931x = 223,208,057,601
  5. Step 5: Solve for x
    x = 223,208,057,601/337,931
  6. Step 6: Final answer
    x = 660,513.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.