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Finding the Third Proportional to 3,788.25 and 8,298.75

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Solution

The third proportional to 3,788.25 and 8,298.75 is: 18,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.25 : 8,298.75 = 8,298.75 : x
  2. Step 2: Convert to fraction form
    3,788.25/8,298.75 = 8,298.75/x
  3. Step 3: Cross multiply
    3,788.25x = 8,298.75 × 8,298.75
  4. Step 4: Simplify right side
    3,788.25x = 68,869,251.56
  5. Step 5: Solve for x
    x = 68,869,251.56/3,788.25
  6. Step 6: Final answer
    x = 18,179.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.