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Finding the Third Proportional to 394,902 and 852,845

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Solution

The third proportional to 394,902 and 852,845 is: 1,841,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,902 : 852,845 = 852,845 : x
  2. Step 2: Convert to fraction form
    394,902/852,845 = 852,845/x
  3. Step 3: Cross multiply
    394,902x = 852,845 × 852,845
  4. Step 4: Simplify right side
    394,902x = 727,344,594,025
  5. Step 5: Solve for x
    x = 727,344,594,025/394,902
  6. Step 6: Final answer
    x = 1,841,835.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.