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Finding the Third Proportional to 185,944 and 381,690

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Solution

The third proportional to 185,944 and 381,690 is: 783,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,944 : 381,690 = 381,690 : x
  2. Step 2: Convert to fraction form
    185,944/381,690 = 381,690/x
  3. Step 3: Cross multiply
    185,944x = 381,690 × 381,690
  4. Step 4: Simplify right side
    185,944x = 145,687,256,100
  5. Step 5: Solve for x
    x = 145,687,256,100/185,944
  6. Step 6: Final answer
    x = 783,500.71

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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.