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Finding the Third Proportional to 4,277 and 4,721

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Solution

The third proportional to 4,277 and 4,721 is: 5,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277 : 4,721 = 4,721 : x
  2. Step 2: Convert to fraction form
    4,277/4,721 = 4,721/x
  3. Step 3: Cross multiply
    4,277x = 4,721 × 4,721
  4. Step 4: Simplify right side
    4,277x = 22,287,841
  5. Step 5: Solve for x
    x = 22,287,841/4,277
  6. Step 6: Final answer
    x = 5,211.09

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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.