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Finding the Third Proportional to 18,170.75 and 24,542.50

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Solution

The third proportional to 18,170.75 and 24,542.50 is: 33,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.75 : 24,542.50 = 24,542.50 : x
  2. Step 2: Convert to fraction form
    18,170.75/24,542.50 = 24,542.50/x
  3. Step 3: Cross multiply
    18,170.75x = 24,542.50 × 24,542.50
  4. Step 4: Simplify right side
    18,170.75x = 602,334,306.25
  5. Step 5: Solve for x
    x = 602,334,306.25/18,170.75
  6. Step 6: Final answer
    x = 33,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.