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Finding the Third Proportional to 3,721,129.50 and 5,603,472

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Solution

The third proportional to 3,721,129.50 and 5,603,472 is: 8,438,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,129.50 : 5,603,472 = 5,603,472 : x
  2. Step 2: Convert to fraction form
    3,721,129.50/5,603,472 = 5,603,472/x
  3. Step 3: Cross multiply
    3,721,129.50x = 5,603,472 × 5,603,472
  4. Step 4: Simplify right side
    3,721,129.50x = 31,398,898,454,784
  5. Step 5: Solve for x
    x = 31,398,898,454,784/3,721,129.50
  6. Step 6: Final answer
    x = 8,438,002.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.