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Finding the Third Proportional to 191,737 and 412,908

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Solution

The third proportional to 191,737 and 412,908 is: 889,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,737 : 412,908 = 412,908 : x
  2. Step 2: Convert to fraction form
    191,737/412,908 = 412,908/x
  3. Step 3: Cross multiply
    191,737x = 412,908 × 412,908
  4. Step 4: Simplify right side
    191,737x = 170,493,016,464
  5. Step 5: Solve for x
    x = 170,493,016,464/191,737
  6. Step 6: Final answer
    x = 889,202.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.