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Finding the Third Proportional to 562 and 626

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Solution

The third proportional to 562 and 626 is: 697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562 : 626 = 626 : x
  2. Step 2: Convert to fraction form
    562/626 = 626/x
  3. Step 3: Cross multiply
    562x = 626 × 626
  4. Step 4: Simplify right side
    562x = 391,876
  5. Step 5: Solve for x
    x = 391,876/562
  6. Step 6: Final answer
    x = 697.29

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.