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Finding the Third Proportional to 5,447 and 11,889

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Solution

The third proportional to 5,447 and 11,889 is: 25,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447 : 11,889 = 11,889 : x
  2. Step 2: Convert to fraction form
    5,447/11,889 = 11,889/x
  3. Step 3: Cross multiply
    5,447x = 11,889 × 11,889
  4. Step 4: Simplify right side
    5,447x = 141,348,321
  5. Step 5: Solve for x
    x = 141,348,321/5,447
  6. Step 6: Final answer
    x = 25,949.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.