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Finding the Third Proportional to 87,158 and 130,395

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Solution

The third proportional to 87,158 and 130,395 is: 195,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158 : 130,395 = 130,395 : x
  2. Step 2: Convert to fraction form
    87,158/130,395 = 130,395/x
  3. Step 3: Cross multiply
    87,158x = 130,395 × 130,395
  4. Step 4: Simplify right side
    87,158x = 17,002,856,025
  5. Step 5: Solve for x
    x = 17,002,856,025/87,158
  6. Step 6: Final answer
    x = 195,080.84

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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.