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Finding the Third Proportional to 203,912.44 and 442,855.69

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Solution

The third proportional to 203,912.44 and 442,855.69 is: 961,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,912.44 : 442,855.69 = 442,855.69 : x
  2. Step 2: Convert to fraction form
    203,912.44/442,855.69 = 442,855.69/x
  3. Step 3: Cross multiply
    203,912.44x = 442,855.69 × 442,855.69
  4. Step 4: Simplify right side
    203,912.44x = 196,121,159,951.10
  5. Step 5: Solve for x
    x = 196,121,159,951.10/203,912.44
  6. Step 6: Final answer
    x = 961,791.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.