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Finding the Third Proportional to 398,624 and 582,588

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Solution

The third proportional to 398,624 and 582,588 is: 851,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,624 : 582,588 = 582,588 : x
  2. Step 2: Convert to fraction form
    398,624/582,588 = 582,588/x
  3. Step 3: Cross multiply
    398,624x = 582,588 × 582,588
  4. Step 4: Simplify right side
    398,624x = 339,408,777,744
  5. Step 5: Solve for x
    x = 339,408,777,744/398,624
  6. Step 6: Final answer
    x = 851,450.94

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.