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Finding the Third Proportional to 5,260 and 11,974

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Solution

The third proportional to 5,260 and 11,974 is: 27,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260 : 11,974 = 11,974 : x
  2. Step 2: Convert to fraction form
    5,260/11,974 = 11,974/x
  3. Step 3: Cross multiply
    5,260x = 11,974 × 11,974
  4. Step 4: Simplify right side
    5,260x = 143,376,676
  5. Step 5: Solve for x
    x = 143,376,676/5,260
  6. Step 6: Final answer
    x = 27,257.92

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.