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Finding the Third Proportional to 562.75 and 616.75

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Solution

The third proportional to 562.75 and 616.75 is: 675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.75 : 616.75 = 616.75 : x
  2. Step 2: Convert to fraction form
    562.75/616.75 = 616.75/x
  3. Step 3: Cross multiply
    562.75x = 616.75 × 616.75
  4. Step 4: Simplify right side
    562.75x = 380,380.56
  5. Step 5: Solve for x
    x = 380,380.56/562.75
  6. Step 6: Final answer
    x = 675.93

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.