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Finding the Third Proportional to 40,898 and 87,700

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Solution

The third proportional to 40,898 and 87,700 is: 188,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898 : 87,700 = 87,700 : x
  2. Step 2: Convert to fraction form
    40,898/87,700 = 87,700/x
  3. Step 3: Cross multiply
    40,898x = 87,700 × 87,700
  4. Step 4: Simplify right side
    40,898x = 7,691,290,000
  5. Step 5: Solve for x
    x = 7,691,290,000/40,898
  6. Step 6: Final answer
    x = 188,060.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.