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Finding the Third Proportional to 3,225 and 3,528.75

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Solution

The third proportional to 3,225 and 3,528.75 is: 3,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225 : 3,528.75 = 3,528.75 : x
  2. Step 2: Convert to fraction form
    3,225/3,528.75 = 3,528.75/x
  3. Step 3: Cross multiply
    3,225x = 3,528.75 × 3,528.75
  4. Step 4: Simplify right side
    3,225x = 12,452,076.56
  5. Step 5: Solve for x
    x = 12,452,076.56/3,225
  6. Step 6: Final answer
    x = 3,861.11

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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.