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Finding the Third Proportional to 8,656.88 and 11,751.33

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Solution

The third proportional to 8,656.88 and 11,751.33 is: 15,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.88 : 11,751.33 = 11,751.33 : x
  2. Step 2: Convert to fraction form
    8,656.88/11,751.33 = 11,751.33/x
  3. Step 3: Cross multiply
    8,656.88x = 11,751.33 × 11,751.33
  4. Step 4: Simplify right side
    8,656.88x = 138,093,712.70
  5. Step 5: Solve for x
    x = 138,093,712.70/8,656.88
  6. Step 6: Final answer
    x = 15,951.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.