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Finding the Third Proportional to 394,824 and 627,948

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Solution

The third proportional to 394,824 and 627,948 is: 998,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,824 : 627,948 = 627,948 : x
  2. Step 2: Convert to fraction form
    394,824/627,948 = 627,948/x
  3. Step 3: Cross multiply
    394,824x = 627,948 × 627,948
  4. Step 4: Simplify right side
    394,824x = 394,318,690,704
  5. Step 5: Solve for x
    x = 394,318,690,704/394,824
  6. Step 6: Final answer
    x = 998,720.17

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.