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Finding the Third Proportional to 3,692 and 4,241

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Solution

The third proportional to 3,692 and 4,241 is: 4,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692 : 4,241 = 4,241 : x
  2. Step 2: Convert to fraction form
    3,692/4,241 = 4,241/x
  3. Step 3: Cross multiply
    3,692x = 4,241 × 4,241
  4. Step 4: Simplify right side
    3,692x = 17,986,081
  5. Step 5: Solve for x
    x = 17,986,081/3,692
  6. Step 6: Final answer
    x = 4,871.64

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.