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Finding the Third Proportional to 3,863 and 8,512

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Solution

The third proportional to 3,863 and 8,512 is: 18,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863 : 8,512 = 8,512 : x
  2. Step 2: Convert to fraction form
    3,863/8,512 = 8,512/x
  3. Step 3: Cross multiply
    3,863x = 8,512 × 8,512
  4. Step 4: Simplify right side
    3,863x = 72,454,144
  5. Step 5: Solve for x
    x = 72,454,144/3,863
  6. Step 6: Final answer
    x = 18,755.93

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