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Finding the Third Proportional to 87,971,850 and 189,567,522

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Solution

The third proportional to 87,971,850 and 189,567,522 is: 408,492,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,971,850 : 189,567,522 = 189,567,522 : x
  2. Step 2: Convert to fraction form
    87,971,850/189,567,522 = 189,567,522/x
  3. Step 3: Cross multiply
    87,971,850x = 189,567,522 × 189,567,522
  4. Step 4: Simplify right side
    87,971,850x = 35,935,845,397,220,484
  5. Step 5: Solve for x
    x = 35,935,845,397,220,484/87,971,850
  6. Step 6: Final answer
    x = 408,492,550.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.