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Finding the Third Proportional to 5,890 and 12,469

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Solution

The third proportional to 5,890 and 12,469 is: 26,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890 : 12,469 = 12,469 : x
  2. Step 2: Convert to fraction form
    5,890/12,469 = 12,469/x
  3. Step 3: Cross multiply
    5,890x = 12,469 × 12,469
  4. Step 4: Simplify right side
    5,890x = 155,475,961
  5. Step 5: Solve for x
    x = 155,475,961/5,890
  6. Step 6: Final answer
    x = 26,396.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.