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Finding the Third Proportional to 329,258.75 and 667,600.75

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Solution

The third proportional to 329,258.75 and 667,600.75 is: 1,353,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,258.75 : 667,600.75 = 667,600.75 : x
  2. Step 2: Convert to fraction form
    329,258.75/667,600.75 = 667,600.75/x
  3. Step 3: Cross multiply
    329,258.75x = 667,600.75 × 667,600.75
  4. Step 4: Simplify right side
    329,258.75x = 445,690,761,400.56
  5. Step 5: Solve for x
    x = 445,690,761,400.56/329,258.75
  6. Step 6: Final answer
    x = 1,353,618.58

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.