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Finding the Third Proportional to 3,851 and 4,936

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Solution

The third proportional to 3,851 and 4,936 is: 6,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851 : 4,936 = 4,936 : x
  2. Step 2: Convert to fraction form
    3,851/4,936 = 4,936/x
  3. Step 3: Cross multiply
    3,851x = 4,936 × 4,936
  4. Step 4: Simplify right side
    3,851x = 24,364,096
  5. Step 5: Solve for x
    x = 24,364,096/3,851
  6. Step 6: Final answer
    x = 6,326.69

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.