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Finding the Third Proportional to 91,193 and 136,425

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Solution

The third proportional to 91,193 and 136,425 is: 204,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,193 : 136,425 = 136,425 : x
  2. Step 2: Convert to fraction form
    91,193/136,425 = 136,425/x
  3. Step 3: Cross multiply
    91,193x = 136,425 × 136,425
  4. Step 4: Simplify right side
    91,193x = 18,611,780,625
  5. Step 5: Solve for x
    x = 18,611,780,625/91,193
  6. Step 6: Final answer
    x = 204,092.21

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Why These Related Problems?

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