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Finding the Third Proportional to 5,456 and 11,774

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Solution

The third proportional to 5,456 and 11,774 is: 25,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456 : 11,774 = 11,774 : x
  2. Step 2: Convert to fraction form
    5,456/11,774 = 11,774/x
  3. Step 3: Cross multiply
    5,456x = 11,774 × 11,774
  4. Step 4: Simplify right side
    5,456x = 138,627,076
  5. Step 5: Solve for x
    x = 138,627,076/5,456
  6. Step 6: Final answer
    x = 25,408.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.