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Finding the Third Proportional to 9,074 and 19,930

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Solution

The third proportional to 9,074 and 19,930 is: 43,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074 : 19,930 = 19,930 : x
  2. Step 2: Convert to fraction form
    9,074/19,930 = 19,930/x
  3. Step 3: Cross multiply
    9,074x = 19,930 × 19,930
  4. Step 4: Simplify right side
    9,074x = 397,204,900
  5. Step 5: Solve for x
    x = 397,204,900/9,074
  6. Step 6: Final answer
    x = 43,773.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.