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Finding the Third Proportional to 3,675 and 7,863

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Solution

The third proportional to 3,675 and 7,863 is: 16,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675 : 7,863 = 7,863 : x
  2. Step 2: Convert to fraction form
    3,675/7,863 = 7,863/x
  3. Step 3: Cross multiply
    3,675x = 7,863 × 7,863
  4. Step 4: Simplify right side
    3,675x = 61,826,769
  5. Step 5: Solve for x
    x = 61,826,769/3,675
  6. Step 6: Final answer
    x = 16,823.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.