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Finding the Third Proportional to 3,027 and 3,290

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Solution

The third proportional to 3,027 and 3,290 is: 3,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027 : 3,290 = 3,290 : x
  2. Step 2: Convert to fraction form
    3,027/3,290 = 3,290/x
  3. Step 3: Cross multiply
    3,027x = 3,290 × 3,290
  4. Step 4: Simplify right side
    3,027x = 10,824,100
  5. Step 5: Solve for x
    x = 10,824,100/3,027
  6. Step 6: Final answer
    x = 3,575.85

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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.