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Finding the Third Proportional to 549 and 600.75

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Solution

The third proportional to 549 and 600.75 is: 657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    549 : 600.75 = 600.75 : x
  2. Step 2: Convert to fraction form
    549/600.75 = 600.75/x
  3. Step 3: Cross multiply
    549x = 600.75 × 600.75
  4. Step 4: Simplify right side
    549x = 360,900.56
  5. Step 5: Solve for x
    x = 360,900.56/549
  6. Step 6: Final answer
    x = 657.38

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.