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Finding the Third Proportional to 3,931 and 4,341

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Solution

The third proportional to 3,931 and 4,341 is: 4,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931 : 4,341 = 4,341 : x
  2. Step 2: Convert to fraction form
    3,931/4,341 = 4,341/x
  3. Step 3: Cross multiply
    3,931x = 4,341 × 4,341
  4. Step 4: Simplify right side
    3,931x = 18,844,281
  5. Step 5: Solve for x
    x = 18,844,281/3,931
  6. Step 6: Final answer
    x = 4,793.76

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.