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Finding the Third Proportional to 5,439 and 6,233

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Solution

The third proportional to 5,439 and 6,233 is: 7,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439 : 6,233 = 6,233 : x
  2. Step 2: Convert to fraction form
    5,439/6,233 = 6,233/x
  3. Step 3: Cross multiply
    5,439x = 6,233 × 6,233
  4. Step 4: Simplify right side
    5,439x = 38,850,289
  5. Step 5: Solve for x
    x = 38,850,289/5,439
  6. Step 6: Final answer
    x = 7,142.91

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.