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Finding the Third Proportional to 283,792 and 423,227

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Solution

The third proportional to 283,792 and 423,227 is: 631,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,792 : 423,227 = 423,227 : x
  2. Step 2: Convert to fraction form
    283,792/423,227 = 423,227/x
  3. Step 3: Cross multiply
    283,792x = 423,227 × 423,227
  4. Step 4: Simplify right side
    283,792x = 179,121,093,529
  5. Step 5: Solve for x
    x = 179,121,093,529/283,792
  6. Step 6: Final answer
    x = 631,170.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.