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Finding the Third Proportional to 5,401.25 and 8,819.75

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Solution

The third proportional to 5,401.25 and 8,819.75 is: 14,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.25 : 8,819.75 = 8,819.75 : x
  2. Step 2: Convert to fraction form
    5,401.25/8,819.75 = 8,819.75/x
  3. Step 3: Cross multiply
    5,401.25x = 8,819.75 × 8,819.75
  4. Step 4: Simplify right side
    5,401.25x = 77,787,990.06
  5. Step 5: Solve for x
    x = 77,787,990.06/5,401.25
  6. Step 6: Final answer
    x = 14,401.85

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.