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Finding the Third Proportional to 5,391 and 11,082

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Solution

The third proportional to 5,391 and 11,082 is: 22,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391 : 11,082 = 11,082 : x
  2. Step 2: Convert to fraction form
    5,391/11,082 = 11,082/x
  3. Step 3: Cross multiply
    5,391x = 11,082 × 11,082
  4. Step 4: Simplify right side
    5,391x = 122,810,724
  5. Step 5: Solve for x
    x = 122,810,724/5,391
  6. Step 6: Final answer
    x = 22,780.69

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.