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Finding the Third Proportional to 15,481.13 and 33,648.75

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Solution

The third proportional to 15,481.13 and 33,648.75 is: 73,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.13 : 33,648.75 = 33,648.75 : x
  2. Step 2: Convert to fraction form
    15,481.13/33,648.75 = 33,648.75/x
  3. Step 3: Cross multiply
    15,481.13x = 33,648.75 × 33,648.75
  4. Step 4: Simplify right side
    15,481.13x = 1,132,238,376.56
  5. Step 5: Solve for x
    x = 1,132,238,376.56/15,481.13
  6. Step 6: Final answer
    x = 73,136.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.