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Finding the Third Proportional to 37,542 and 80,100

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Solution

The third proportional to 37,542 and 80,100 is: 170,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,542 : 80,100 = 80,100 : x
  2. Step 2: Convert to fraction form
    37,542/80,100 = 80,100/x
  3. Step 3: Cross multiply
    37,542x = 80,100 × 80,100
  4. Step 4: Simplify right side
    37,542x = 6,416,010,000
  5. Step 5: Solve for x
    x = 6,416,010,000/37,542
  6. Step 6: Final answer
    x = 170,902.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.