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Finding the Third Proportional to 439,983 and 627,975

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Solution

The third proportional to 439,983 and 627,975 is: 896,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,983 : 627,975 = 627,975 : x
  2. Step 2: Convert to fraction form
    439,983/627,975 = 627,975/x
  3. Step 3: Cross multiply
    439,983x = 627,975 × 627,975
  4. Step 4: Simplify right side
    439,983x = 394,352,600,625
  5. Step 5: Solve for x
    x = 394,352,600,625/439,983
  6. Step 6: Final answer
    x = 896,290.54

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.