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Finding the Third Proportional to 2.53 and 3.38

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Solution

The third proportional to 2.53 and 3.38 is: 4.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.53 : 3.38 = 3.38 : x
  2. Step 2: Convert to fraction form
    2.53/3.38 = 3.38/x
  3. Step 3: Cross multiply
    2.53x = 3.38 × 3.38
  4. Step 4: Simplify right side
    2.53x = 11.39
  5. Step 5: Solve for x
    x = 11.39/2.53
  6. Step 6: Final answer
    x = 4.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.