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Finding the Third Proportional to 3,876 and 4,560

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Solution

The third proportional to 3,876 and 4,560 is: 5,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876 : 4,560 = 4,560 : x
  2. Step 2: Convert to fraction form
    3,876/4,560 = 4,560/x
  3. Step 3: Cross multiply
    3,876x = 4,560 × 4,560
  4. Step 4: Simplify right side
    3,876x = 20,793,600
  5. Step 5: Solve for x
    x = 20,793,600/3,876
  6. Step 6: Final answer
    x = 5,364.71

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.