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Finding the Third Proportional to 5,890 and 6,538

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Solution

The third proportional to 5,890 and 6,538 is: 7,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890 : 6,538 = 6,538 : x
  2. Step 2: Convert to fraction form
    5,890/6,538 = 6,538/x
  3. Step 3: Cross multiply
    5,890x = 6,538 × 6,538
  4. Step 4: Simplify right side
    5,890x = 42,745,444
  5. Step 5: Solve for x
    x = 42,745,444/5,890
  6. Step 6: Final answer
    x = 7,257.29

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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.