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Finding the Third Proportional to 3,262 and 3,940

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Solution

The third proportional to 3,262 and 3,940 is: 4,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262 : 3,940 = 3,940 : x
  2. Step 2: Convert to fraction form
    3,262/3,940 = 3,940/x
  3. Step 3: Cross multiply
    3,262x = 3,940 × 3,940
  4. Step 4: Simplify right side
    3,262x = 15,523,600
  5. Step 5: Solve for x
    x = 15,523,600/3,262
  6. Step 6: Final answer
    x = 4,758.92

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.