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Finding the Third Proportional to 283,928 and 625,467

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Solution

The third proportional to 283,928 and 625,467 is: 1,377,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,928 : 625,467 = 625,467 : x
  2. Step 2: Convert to fraction form
    283,928/625,467 = 625,467/x
  3. Step 3: Cross multiply
    283,928x = 625,467 × 625,467
  4. Step 4: Simplify right side
    283,928x = 391,208,968,089
  5. Step 5: Solve for x
    x = 391,208,968,089/283,928
  6. Step 6: Final answer
    x = 1,377,845.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.