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Finding the Third Proportional to 87,424.31 and 188,805.94

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Solution

The third proportional to 87,424.31 and 188,805.94 is: 407,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.31 : 188,805.94 = 188,805.94 : x
  2. Step 2: Convert to fraction form
    87,424.31/188,805.94 = 188,805.94/x
  3. Step 3: Cross multiply
    87,424.31x = 188,805.94 × 188,805.94
  4. Step 4: Simplify right side
    87,424.31x = 35,647,682,035.25
  5. Step 5: Solve for x
    x = 35,647,682,035.25/87,424.31
  6. Step 6: Final answer
    x = 407,754.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.