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Finding the Third Proportional to 2,518 and 3,651

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Solution

The third proportional to 2,518 and 3,651 is: 5,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518 : 3,651 = 3,651 : x
  2. Step 2: Convert to fraction form
    2,518/3,651 = 3,651/x
  3. Step 3: Cross multiply
    2,518x = 3,651 × 3,651
  4. Step 4: Simplify right side
    2,518x = 13,329,801
  5. Step 5: Solve for x
    x = 13,329,801/2,518
  6. Step 6: Final answer
    x = 5,293.81

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.