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Finding the Third Proportional to 417,235 and 627,797

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Solution

The third proportional to 417,235 and 627,797 is: 944,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,235 : 627,797 = 627,797 : x
  2. Step 2: Convert to fraction form
    417,235/627,797 = 627,797/x
  3. Step 3: Cross multiply
    417,235x = 627,797 × 627,797
  4. Step 4: Simplify right side
    417,235x = 394,129,073,209
  5. Step 5: Solve for x
    x = 394,129,073,209/417,235
  6. Step 6: Final answer
    x = 944,621.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.