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Finding the Third Proportional to 71,838,650 and 127,720,948

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Solution

The third proportional to 71,838,650 and 127,720,948 is: 227,073,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,838,650 : 127,720,948 = 127,720,948 : x
  2. Step 2: Convert to fraction form
    71,838,650/127,720,948 = 127,720,948/x
  3. Step 3: Cross multiply
    71,838,650x = 127,720,948 × 127,720,948
  4. Step 4: Simplify right side
    71,838,650x = 16,312,640,558,018,704
  5. Step 5: Solve for x
    x = 16,312,640,558,018,704/71,838,650
  6. Step 6: Final answer
    x = 227,073,317.19

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.