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Finding the Third Proportional to 394,662 and 855,852

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Solution

The third proportional to 394,662 and 855,852 is: 1,855,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,662 : 855,852 = 855,852 : x
  2. Step 2: Convert to fraction form
    394,662/855,852 = 855,852/x
  3. Step 3: Cross multiply
    394,662x = 855,852 × 855,852
  4. Step 4: Simplify right side
    394,662x = 732,482,645,904
  5. Step 5: Solve for x
    x = 732,482,645,904/394,662
  6. Step 6: Final answer
    x = 1,855,974.60

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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.