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Finding the Third Proportional to 33,161.50 and 68,267

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Solution

The third proportional to 33,161.50 and 68,267 is: 140,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.50 : 68,267 = 68,267 : x
  2. Step 2: Convert to fraction form
    33,161.50/68,267 = 68,267/x
  3. Step 3: Cross multiply
    33,161.50x = 68,267 × 68,267
  4. Step 4: Simplify right side
    33,161.50x = 4,660,383,289
  5. Step 5: Solve for x
    x = 4,660,383,289/33,161.50
  6. Step 6: Final answer
    x = 140,535.96

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.