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Finding the Third Proportional to 4,339 and 5,275

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Solution

The third proportional to 4,339 and 5,275 is: 6,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339 : 5,275 = 5,275 : x
  2. Step 2: Convert to fraction form
    4,339/5,275 = 5,275/x
  3. Step 3: Cross multiply
    4,339x = 5,275 × 5,275
  4. Step 4: Simplify right side
    4,339x = 27,825,625
  5. Step 5: Solve for x
    x = 27,825,625/4,339
  6. Step 6: Final answer
    x = 6,412.91

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.