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Finding the Third Proportional to 2,919.80 and 6,352.17

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Solution

The third proportional to 2,919.80 and 6,352.17 is: 13,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.80 : 6,352.17 = 6,352.17 : x
  2. Step 2: Convert to fraction form
    2,919.80/6,352.17 = 6,352.17/x
  3. Step 3: Cross multiply
    2,919.80x = 6,352.17 × 6,352.17
  4. Step 4: Simplify right side
    2,919.80x = 40,350,087.53
  5. Step 5: Solve for x
    x = 40,350,087.53/2,919.80
  6. Step 6: Final answer
    x = 13,819.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.