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Finding the Third Proportional to 17,617.50 and 27,267

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Solution

The third proportional to 17,617.50 and 27,267 is: 42,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.50 : 27,267 = 27,267 : x
  2. Step 2: Convert to fraction form
    17,617.50/27,267 = 27,267/x
  3. Step 3: Cross multiply
    17,617.50x = 27,267 × 27,267
  4. Step 4: Simplify right side
    17,617.50x = 743,489,289
  5. Step 5: Solve for x
    x = 743,489,289/17,617.50
  6. Step 6: Final answer
    x = 42,201.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.