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Finding the Third Proportional to 87,617,832 and 186,962,859.75

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Solution

The third proportional to 87,617,832 and 186,962,859.75 is: 398,949,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617,832 : 186,962,859.75 = 186,962,859.75 : x
  2. Step 2: Convert to fraction form
    87,617,832/186,962,859.75 = 186,962,859.75/x
  3. Step 3: Cross multiply
    87,617,832x = 186,962,859.75 × 186,962,859.75
  4. Step 4: Simplify right side
    87,617,832x = 34,955,110,925,898,172
  5. Step 5: Solve for x
    x = 34,955,110,925,898,172/87,617,832
  6. Step 6: Final answer
    x = 398,949,735.78

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.