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Finding the Third Proportional to 3,342 and 3,652.50

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Solution

The third proportional to 3,342 and 3,652.50 is: 3,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342 : 3,652.50 = 3,652.50 : x
  2. Step 2: Convert to fraction form
    3,342/3,652.50 = 3,652.50/x
  3. Step 3: Cross multiply
    3,342x = 3,652.50 × 3,652.50
  4. Step 4: Simplify right side
    3,342x = 13,340,756.25
  5. Step 5: Solve for x
    x = 13,340,756.25/3,342
  6. Step 6: Final answer
    x = 3,991.85

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.