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Finding the Third Proportional to 5,072.20 and 11,067.05

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Solution

The third proportional to 5,072.20 and 11,067.05 is: 24,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.20 : 11,067.05 = 11,067.05 : x
  2. Step 2: Convert to fraction form
    5,072.20/11,067.05 = 11,067.05/x
  3. Step 3: Cross multiply
    5,072.20x = 11,067.05 × 11,067.05
  4. Step 4: Simplify right side
    5,072.20x = 122,479,526.53
  5. Step 5: Solve for x
    x = 122,479,526.53/5,072.20
  6. Step 6: Final answer
    x = 24,147.20

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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.