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Finding the Third Proportional to 3,310.88 and 8,226.56

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Solution

The third proportional to 3,310.88 and 8,226.56 is: 20,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.88 : 8,226.56 = 8,226.56 : x
  2. Step 2: Convert to fraction form
    3,310.88/8,226.56 = 8,226.56/x
  3. Step 3: Cross multiply
    3,310.88x = 8,226.56 × 8,226.56
  4. Step 4: Simplify right side
    3,310.88x = 67,676,330.57
  5. Step 5: Solve for x
    x = 67,676,330.57/3,310.88
  6. Step 6: Final answer
    x = 20,440.62

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.