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Finding the Third Proportional to 4,349 and 5,285

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Solution

The third proportional to 4,349 and 5,285 is: 6,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349 : 5,285 = 5,285 : x
  2. Step 2: Convert to fraction form
    4,349/5,285 = 5,285/x
  3. Step 3: Cross multiply
    4,349x = 5,285 × 5,285
  4. Step 4: Simplify right side
    4,349x = 27,931,225
  5. Step 5: Solve for x
    x = 27,931,225/4,349
  6. Step 6: Final answer
    x = 6,422.45

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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.