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Finding the Third Proportional to 8,625.75 and 18,481.13

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Solution

The third proportional to 8,625.75 and 18,481.13 is: 39,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.75 : 18,481.13 = 18,481.13 : x
  2. Step 2: Convert to fraction form
    8,625.75/18,481.13 = 18,481.13/x
  3. Step 3: Cross multiply
    8,625.75x = 18,481.13 × 18,481.13
  4. Step 4: Simplify right side
    8,625.75x = 341,551,981.27
  5. Step 5: Solve for x
    x = 341,551,981.27/8,625.75
  6. Step 6: Final answer
    x = 39,596.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.