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Finding the Third Proportional to 126,904,217 and 171,223,585

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Solution

The third proportional to 126,904,217 and 171,223,585 is: 231,020,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,217 : 171,223,585 = 171,223,585 : x
  2. Step 2: Convert to fraction form
    126,904,217/171,223,585 = 171,223,585/x
  3. Step 3: Cross multiply
    126,904,217x = 171,223,585 × 171,223,585
  4. Step 4: Simplify right side
    126,904,217x = 29,317,516,060,252,224
  5. Step 5: Solve for x
    x = 29,317,516,060,252,224/126,904,217
  6. Step 6: Final answer
    x = 231,020,818.33

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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.