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Finding the Third Proportional to 203,991 and 441,876

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Solution

The third proportional to 203,991 and 441,876 is: 957,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,991 : 441,876 = 441,876 : x
  2. Step 2: Convert to fraction form
    203,991/441,876 = 441,876/x
  3. Step 3: Cross multiply
    203,991x = 441,876 × 441,876
  4. Step 4: Simplify right side
    203,991x = 195,254,399,376
  5. Step 5: Solve for x
    x = 195,254,399,376/203,991
  6. Step 6: Final answer
    x = 957,171.64

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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.