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Finding the Third Proportional to 3,352 and 4,380

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Solution

The third proportional to 3,352 and 4,380 is: 5,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352 : 4,380 = 4,380 : x
  2. Step 2: Convert to fraction form
    3,352/4,380 = 4,380/x
  3. Step 3: Cross multiply
    3,352x = 4,380 × 4,380
  4. Step 4: Simplify right side
    3,352x = 19,184,400
  5. Step 5: Solve for x
    x = 19,184,400/3,352
  6. Step 6: Final answer
    x = 5,723.27

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.