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Finding the Third Proportional to 4,121 and 8,314

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Solution

The third proportional to 4,121 and 8,314 is: 16,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121 : 8,314 = 8,314 : x
  2. Step 2: Convert to fraction form
    4,121/8,314 = 8,314/x
  3. Step 3: Cross multiply
    4,121x = 8,314 × 8,314
  4. Step 4: Simplify right side
    4,121x = 69,122,596
  5. Step 5: Solve for x
    x = 69,122,596/4,121
  6. Step 6: Final answer
    x = 16,773.26

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.