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Finding the Third Proportional to 8,778.38 and 13,348.13

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Solution

The third proportional to 8,778.38 and 13,348.13 is: 20,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.38 : 13,348.13 = 13,348.13 : x
  2. Step 2: Convert to fraction form
    8,778.38/13,348.13 = 13,348.13/x
  3. Step 3: Cross multiply
    8,778.38x = 13,348.13 × 13,348.13
  4. Step 4: Simplify right side
    8,778.38x = 178,172,441.02
  5. Step 5: Solve for x
    x = 178,172,441.02/8,778.38
  6. Step 6: Final answer
    x = 20,296.75

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.