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Finding the Third Proportional to 3,354 and 4,074

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Solution

The third proportional to 3,354 and 4,074 is: 4,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354 : 4,074 = 4,074 : x
  2. Step 2: Convert to fraction form
    3,354/4,074 = 4,074/x
  3. Step 3: Cross multiply
    3,354x = 4,074 × 4,074
  4. Step 4: Simplify right side
    3,354x = 16,597,476
  5. Step 5: Solve for x
    x = 16,597,476/3,354
  6. Step 6: Final answer
    x = 4,948.56

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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.