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Finding the Third Proportional to 472,634.25 and 726,472.13

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Solution

The third proportional to 472,634.25 and 726,472.13 is: 1,116,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,634.25 : 726,472.13 = 726,472.13 : x
  2. Step 2: Convert to fraction form
    472,634.25/726,472.13 = 726,472.13/x
  3. Step 3: Cross multiply
    472,634.25x = 726,472.13 × 726,472.13
  4. Step 4: Simplify right side
    472,634.25x = 527,761,748,402.02
  5. Step 5: Solve for x
    x = 527,761,748,402.02/472,634.25
  6. Step 6: Final answer
    x = 1,116,638.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.