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Finding the Third Proportional to 12,829,440.75 and 27,917,503.88

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Solution

The third proportional to 12,829,440.75 and 27,917,503.88 is: 60,749,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,440.75 : 27,917,503.88 = 27,917,503.88 : x
  2. Step 2: Convert to fraction form
    12,829,440.75/27,917,503.88 = 27,917,503.88/x
  3. Step 3: Cross multiply
    12,829,440.75x = 27,917,503.88 × 27,917,503.88
  4. Step 4: Simplify right side
    12,829,440.75x = 779,387,022,610,640
  5. Step 5: Solve for x
    x = 779,387,022,610,640/12,829,440.75
  6. Step 6: Final answer
    x = 60,749,882.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.