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Finding the Third Proportional to 87,506 and 178,700

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Solution

The third proportional to 87,506 and 178,700 is: 364,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506 : 178,700 = 178,700 : x
  2. Step 2: Convert to fraction form
    87,506/178,700 = 178,700/x
  3. Step 3: Cross multiply
    87,506x = 178,700 × 178,700
  4. Step 4: Simplify right side
    87,506x = 31,933,690,000
  5. Step 5: Solve for x
    x = 31,933,690,000/87,506
  6. Step 6: Final answer
    x = 364,931.43

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.