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Finding the Third Proportional to 5,359 and 11,669

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Solution

The third proportional to 5,359 and 11,669 is: 25,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359 : 11,669 = 11,669 : x
  2. Step 2: Convert to fraction form
    5,359/11,669 = 11,669/x
  3. Step 3: Cross multiply
    5,359x = 11,669 × 11,669
  4. Step 4: Simplify right side
    5,359x = 136,165,561
  5. Step 5: Solve for x
    x = 136,165,561/5,359
  6. Step 6: Final answer
    x = 25,408.76

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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.