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Finding the Third Proportional to 181,876 and 394,852

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Solution

The third proportional to 181,876 and 394,852 is: 857,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,876 : 394,852 = 394,852 : x
  2. Step 2: Convert to fraction form
    181,876/394,852 = 394,852/x
  3. Step 3: Cross multiply
    181,876x = 394,852 × 394,852
  4. Step 4: Simplify right side
    181,876x = 155,908,101,904
  5. Step 5: Solve for x
    x = 155,908,101,904/181,876
  6. Step 6: Final answer
    x = 857,221.96

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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.