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Finding the Third Proportional to 126,904,221 and 171,223,591

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Solution

The third proportional to 126,904,221 and 171,223,591 is: 231,020,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,221 : 171,223,591 = 171,223,591 : x
  2. Step 2: Convert to fraction form
    126,904,221/171,223,591 = 171,223,591/x
  3. Step 3: Cross multiply
    126,904,221x = 171,223,591 × 171,223,591
  4. Step 4: Simplify right side
    126,904,221x = 29,317,518,114,935,280
  5. Step 5: Solve for x
    x = 29,317,518,114,935,280/126,904,221
  6. Step 6: Final answer
    x = 231,020,827.23

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.