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Finding the Third Proportional to 87,455,719 and 191,386,177

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Solution

The third proportional to 87,455,719 and 191,386,177 is: 418,825,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,719 : 191,386,177 = 191,386,177 : x
  2. Step 2: Convert to fraction form
    87,455,719/191,386,177 = 191,386,177/x
  3. Step 3: Cross multiply
    87,455,719x = 191,386,177 × 191,386,177
  4. Step 4: Simplify right side
    87,455,719x = 36,628,668,746,675,328
  5. Step 5: Solve for x
    x = 36,628,668,746,675,328/87,455,719
  6. Step 6: Final answer
    x = 418,825,311.43

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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.