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Finding the Third Proportional to 8,625.38 and 18,480.38

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Solution

The third proportional to 8,625.38 and 18,480.38 is: 39,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.38 : 18,480.38 = 18,480.38 : x
  2. Step 2: Convert to fraction form
    8,625.38/18,480.38 = 18,480.38/x
  3. Step 3: Cross multiply
    8,625.38x = 18,480.38 × 18,480.38
  4. Step 4: Simplify right side
    8,625.38x = 341,524,260.14
  5. Step 5: Solve for x
    x = 341,524,260.14/8,625.38
  6. Step 6: Final answer
    x = 39,595.29

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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.