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Finding the Third Proportional to 5,500 and 11,768

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Solution

The third proportional to 5,500 and 11,768 is: 25,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500 : 11,768 = 11,768 : x
  2. Step 2: Convert to fraction form
    5,500/11,768 = 11,768/x
  3. Step 3: Cross multiply
    5,500x = 11,768 × 11,768
  4. Step 4: Simplify right side
    5,500x = 138,485,824
  5. Step 5: Solve for x
    x = 138,485,824/5,500
  6. Step 6: Final answer
    x = 25,179.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.