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Finding the Third Proportional to 3,880.13 and 8,375.44

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Solution

The third proportional to 3,880.13 and 8,375.44 is: 18,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.13 : 8,375.44 = 8,375.44 : x
  2. Step 2: Convert to fraction form
    3,880.13/8,375.44 = 8,375.44/x
  3. Step 3: Cross multiply
    3,880.13x = 8,375.44 × 8,375.44
  4. Step 4: Simplify right side
    3,880.13x = 70,147,953.32
  5. Step 5: Solve for x
    x = 70,147,953.32/3,880.13
  6. Step 6: Final answer
    x = 18,078.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.