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Finding the Third Proportional to 87,562.75 and 138,674.75

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Solution

The third proportional to 87,562.75 and 138,674.75 is: 219,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.75 : 138,674.75 = 138,674.75 : x
  2. Step 2: Convert to fraction form
    87,562.75/138,674.75 = 138,674.75/x
  3. Step 3: Cross multiply
    87,562.75x = 138,674.75 × 138,674.75
  4. Step 4: Simplify right side
    87,562.75x = 19,230,686,287.56
  5. Step 5: Solve for x
    x = 19,230,686,287.56/87,562.75
  6. Step 6: Final answer
    x = 219,621.77

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.