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Finding the Third Proportional to 13,489.88 and 28,962

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Solution

The third proportional to 13,489.88 and 28,962 is: 62,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.88 : 28,962 = 28,962 : x
  2. Step 2: Convert to fraction form
    13,489.88/28,962 = 28,962/x
  3. Step 3: Cross multiply
    13,489.88x = 28,962 × 28,962
  4. Step 4: Simplify right side
    13,489.88x = 838,797,444
  5. Step 5: Solve for x
    x = 838,797,444/13,489.88
  6. Step 6: Final answer
    x = 62,179.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.