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Finding the Third Proportional to 5,311 and 11,695

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Solution

The third proportional to 5,311 and 11,695 is: 25,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311 : 11,695 = 11,695 : x
  2. Step 2: Convert to fraction form
    5,311/11,695 = 11,695/x
  3. Step 3: Cross multiply
    5,311x = 11,695 × 11,695
  4. Step 4: Simplify right side
    5,311x = 136,773,025
  5. Step 5: Solve for x
    x = 136,773,025/5,311
  6. Step 6: Final answer
    x = 25,752.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.