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Finding the Third Proportional to 103,782 and 155,674

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Solution

The third proportional to 103,782 and 155,674 is: 233,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,782 : 155,674 = 155,674 : x
  2. Step 2: Convert to fraction form
    103,782/155,674 = 155,674/x
  3. Step 3: Cross multiply
    103,782x = 155,674 × 155,674
  4. Step 4: Simplify right side
    103,782x = 24,234,394,276
  5. Step 5: Solve for x
    x = 24,234,394,276/103,782
  6. Step 6: Final answer
    x = 233,512.50

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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.