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Finding the Third Proportional to 204,464 and 419,127

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Solution

The third proportional to 204,464 and 419,127 is: 859,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,464 : 419,127 = 419,127 : x
  2. Step 2: Convert to fraction form
    204,464/419,127 = 419,127/x
  3. Step 3: Cross multiply
    204,464x = 419,127 × 419,127
  4. Step 4: Simplify right side
    204,464x = 175,667,442,129
  5. Step 5: Solve for x
    x = 175,667,442,129/204,464
  6. Step 6: Final answer
    x = 859,160.74

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.