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Finding the Third Proportional to 87,474,586 and 187,930,636

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Solution

The third proportional to 87,474,586 and 187,930,636 is: 403,750,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474,586 : 187,930,636 = 187,930,636 : x
  2. Step 2: Convert to fraction form
    87,474,586/187,930,636 = 187,930,636/x
  3. Step 3: Cross multiply
    87,474,586x = 187,930,636 × 187,930,636
  4. Step 4: Simplify right side
    87,474,586x = 35,317,923,947,364,496
  5. Step 5: Solve for x
    x = 35,317,923,947,364,496/87,474,586
  6. Step 6: Final answer
    x = 403,750,684.20

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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.