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Finding the Third Proportional to 5,550 and 6,198

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Solution

The third proportional to 5,550 and 6,198 is: 6,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550 : 6,198 = 6,198 : x
  2. Step 2: Convert to fraction form
    5,550/6,198 = 6,198/x
  3. Step 3: Cross multiply
    5,550x = 6,198 × 6,198
  4. Step 4: Simplify right side
    5,550x = 38,415,204
  5. Step 5: Solve for x
    x = 38,415,204/5,550
  6. Step 6: Final answer
    x = 6,921.66

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.