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Finding the Third Proportional to 39,481.50 and 80,550

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Solution

The third proportional to 39,481.50 and 80,550 is: 164,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.50 : 80,550 = 80,550 : x
  2. Step 2: Convert to fraction form
    39,481.50/80,550 = 80,550/x
  3. Step 3: Cross multiply
    39,481.50x = 80,550 × 80,550
  4. Step 4: Simplify right side
    39,481.50x = 6,488,302,500
  5. Step 5: Solve for x
    x = 6,488,302,500/39,481.50
  6. Step 6: Final answer
    x = 164,337.79

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.