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Finding the Third Proportional to 103,633 and 155,540

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Solution

The third proportional to 103,633 and 155,540 is: 233,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633 : 155,540 = 155,540 : x
  2. Step 2: Convert to fraction form
    103,633/155,540 = 155,540/x
  3. Step 3: Cross multiply
    103,633x = 155,540 × 155,540
  4. Step 4: Simplify right side
    103,633x = 24,192,691,600
  5. Step 5: Solve for x
    x = 24,192,691,600/103,633
  6. Step 6: Final answer
    x = 233,445.83

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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.