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Finding the Third Proportional to 7,958 and 9,626

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Solution

The third proportional to 7,958 and 9,626 is: 11,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958 : 9,626 = 9,626 : x
  2. Step 2: Convert to fraction form
    7,958/9,626 = 9,626/x
  3. Step 3: Cross multiply
    7,958x = 9,626 × 9,626
  4. Step 4: Simplify right side
    7,958x = 92,659,876
  5. Step 5: Solve for x
    x = 92,659,876/7,958
  6. Step 6: Final answer
    x = 11,643.61

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.