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Finding the Third Proportional to 17,481 and 27,129.75

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Solution

The third proportional to 17,481 and 27,129.75 is: 42,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481 : 27,129.75 = 27,129.75 : x
  2. Step 2: Convert to fraction form
    17,481/27,129.75 = 27,129.75/x
  3. Step 3: Cross multiply
    17,481x = 27,129.75 × 27,129.75
  4. Step 4: Simplify right side
    17,481x = 736,023,335.06
  5. Step 5: Solve for x
    x = 736,023,335.06/17,481
  6. Step 6: Final answer
    x = 42,104.19

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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.