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Finding the Third Proportional to 203,957 and 441,811

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Solution

The third proportional to 203,957 and 441,811 is: 957,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957 : 441,811 = 441,811 : x
  2. Step 2: Convert to fraction form
    203,957/441,811 = 441,811/x
  3. Step 3: Cross multiply
    203,957x = 441,811 × 441,811
  4. Step 4: Simplify right side
    203,957x = 195,196,959,721
  5. Step 5: Solve for x
    x = 195,196,959,721/203,957
  6. Step 6: Final answer
    x = 957,049.57

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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.