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Finding the Third Proportional to 103,625 and 155,822

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Solution

The third proportional to 103,625 and 155,822 is: 234,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625 : 155,822 = 155,822 : x
  2. Step 2: Convert to fraction form
    103,625/155,822 = 155,822/x
  3. Step 3: Cross multiply
    103,625x = 155,822 × 155,822
  4. Step 4: Simplify right side
    103,625x = 24,280,495,684
  5. Step 5: Solve for x
    x = 24,280,495,684/103,625
  6. Step 6: Final answer
    x = 234,311.18

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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.