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Finding the Third Proportional to 4,351 and 8,126

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Solution

The third proportional to 4,351 and 8,126 is: 15,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351 : 8,126 = 8,126 : x
  2. Step 2: Convert to fraction form
    4,351/8,126 = 8,126/x
  3. Step 3: Cross multiply
    4,351x = 8,126 × 8,126
  4. Step 4: Simplify right side
    4,351x = 66,031,876
  5. Step 5: Solve for x
    x = 66,031,876/4,351
  6. Step 6: Final answer
    x = 15,176.25

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.