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Finding the Third Proportional to 40,428,552 and 87,940,599

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Solution

The third proportional to 40,428,552 and 87,940,599 is: 191,289,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428,552 : 87,940,599 = 87,940,599 : x
  2. Step 2: Convert to fraction form
    40,428,552/87,940,599 = 87,940,599/x
  3. Step 3: Cross multiply
    40,428,552x = 87,940,599 × 87,940,599
  4. Step 4: Simplify right side
    40,428,552x = 7,733,548,952,478,801
  5. Step 5: Solve for x
    x = 7,733,548,952,478,801/40,428,552
  6. Step 6: Final answer
    x = 191,289,288.63

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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.