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Finding the Third Proportional to 87,455,387 and 191,385,526

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Solution

The third proportional to 87,455,387 and 191,385,526 is: 418,824,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,387 : 191,385,526 = 191,385,526 : x
  2. Step 2: Convert to fraction form
    87,455,387/191,385,526 = 191,385,526/x
  3. Step 3: Cross multiply
    87,455,387x = 191,385,526 × 191,385,526
  4. Step 4: Simplify right side
    87,455,387x = 36,628,419,562,296,672
  5. Step 5: Solve for x
    x = 36,628,419,562,296,672/87,455,387
  6. Step 6: Final answer
    x = 418,824,052.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.