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Finding the Third Proportional to 87,079 and 130,281

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Solution

The third proportional to 87,079 and 130,281 is: 194,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079 : 130,281 = 130,281 : x
  2. Step 2: Convert to fraction form
    87,079/130,281 = 130,281/x
  3. Step 3: Cross multiply
    87,079x = 130,281 × 130,281
  4. Step 4: Simplify right side
    87,079x = 16,973,138,961
  5. Step 5: Solve for x
    x = 16,973,138,961/87,079
  6. Step 6: Final answer
    x = 194,916.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.