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Finding the Third Proportional to 7,108 and 11,846

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Solution

The third proportional to 7,108 and 11,846 is: 19,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108 : 11,846 = 11,846 : x
  2. Step 2: Convert to fraction form
    7,108/11,846 = 11,846/x
  3. Step 3: Cross multiply
    7,108x = 11,846 × 11,846
  4. Step 4: Simplify right side
    7,108x = 140,327,716
  5. Step 5: Solve for x
    x = 140,327,716/7,108
  6. Step 6: Final answer
    x = 19,742.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.