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Finding the Third Proportional to 2.20 and 3.14

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Solution

The third proportional to 2.20 and 3.14 is: 4.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.20 : 3.14 = 3.14 : x
  2. Step 2: Convert to fraction form
    2.20/3.14 = 3.14/x
  3. Step 3: Cross multiply
    2.20x = 3.14 × 3.14
  4. Step 4: Simplify right side
    2.20x = 9.89
  5. Step 5: Solve for x
    x = 9.89/2.20
  6. Step 6: Final answer
    x = 4.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.