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Finding the Third Proportional to 3,404 and 5,015

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Solution

The third proportional to 3,404 and 5,015 is: 7,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404 : 5,015 = 5,015 : x
  2. Step 2: Convert to fraction form
    3,404/5,015 = 5,015/x
  3. Step 3: Cross multiply
    3,404x = 5,015 × 5,015
  4. Step 4: Simplify right side
    3,404x = 25,150,225
  5. Step 5: Solve for x
    x = 25,150,225/3,404
  6. Step 6: Final answer
    x = 7,388.43

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.