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Finding the Third Proportional to 8,667 and 13,079

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Solution

The third proportional to 8,667 and 13,079 is: 19,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667 : 13,079 = 13,079 : x
  2. Step 2: Convert to fraction form
    8,667/13,079 = 13,079/x
  3. Step 3: Cross multiply
    8,667x = 13,079 × 13,079
  4. Step 4: Simplify right side
    8,667x = 171,060,241
  5. Step 5: Solve for x
    x = 171,060,241/8,667
  6. Step 6: Final answer
    x = 19,736.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.