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Finding the Third Proportional to 667,046.25 and 998,745.75

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Solution

The third proportional to 667,046.25 and 998,745.75 is: 1,495,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,046.25 : 998,745.75 = 998,745.75 : x
  2. Step 2: Convert to fraction form
    667,046.25/998,745.75 = 998,745.75/x
  3. Step 3: Cross multiply
    667,046.25x = 998,745.75 × 998,745.75
  4. Step 4: Simplify right side
    667,046.25x = 997,493,073,143.06
  5. Step 5: Solve for x
    x = 997,493,073,143.06/667,046.25
  6. Step 6: Final answer
    x = 1,495,388.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.