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Finding the Third Proportional to 72,224,709 and 156,229,734

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Solution

The third proportional to 72,224,709 and 156,229,734 is: 337,941,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224,709 : 156,229,734 = 156,229,734 : x
  2. Step 2: Convert to fraction form
    72,224,709/156,229,734 = 156,229,734/x
  3. Step 3: Cross multiply
    72,224,709x = 156,229,734 × 156,229,734
  4. Step 4: Simplify right side
    72,224,709x = 24,407,729,785,710,756
  5. Step 5: Solve for x
    x = 24,407,729,785,710,756/72,224,709
  6. Step 6: Final answer
    x = 337,941,545.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.