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Finding the Third Proportional to 87,105.75 and 190,818.75

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Solution

The third proportional to 87,105.75 and 190,818.75 is: 418,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,105.75 : 190,818.75 = 190,818.75 : x
  2. Step 2: Convert to fraction form
    87,105.75/190,818.75 = 190,818.75/x
  3. Step 3: Cross multiply
    87,105.75x = 190,818.75 × 190,818.75
  4. Step 4: Simplify right side
    87,105.75x = 36,411,795,351.56
  5. Step 5: Solve for x
    x = 36,411,795,351.56/87,105.75
  6. Step 6: Final answer
    x = 418,018.27

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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.