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Finding the Third Proportional to 6,864 and 15,114

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Solution

The third proportional to 6,864 and 15,114 is: 33,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864 : 15,114 = 15,114 : x
  2. Step 2: Convert to fraction form
    6,864/15,114 = 15,114/x
  3. Step 3: Cross multiply
    6,864x = 15,114 × 15,114
  4. Step 4: Simplify right side
    6,864x = 228,432,996
  5. Step 5: Solve for x
    x = 228,432,996/6,864
  6. Step 6: Final answer
    x = 33,279.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.