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Finding the Third Proportional to 3,968 and 9,254

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Solution

The third proportional to 3,968 and 9,254 is: 21,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968 : 9,254 = 9,254 : x
  2. Step 2: Convert to fraction form
    3,968/9,254 = 9,254/x
  3. Step 3: Cross multiply
    3,968x = 9,254 × 9,254
  4. Step 4: Simplify right side
    3,968x = 85,636,516
  5. Step 5: Solve for x
    x = 85,636,516/3,968
  6. Step 6: Final answer
    x = 21,581.78

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.