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Finding the Third Proportional to 5.44 and 6.21

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Solution

The third proportional to 5.44 and 6.21 is: 7.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.44 : 6.21 = 6.21 : x
  2. Step 2: Convert to fraction form
    5.44/6.21 = 6.21/x
  3. Step 3: Cross multiply
    5.44x = 6.21 × 6.21
  4. Step 4: Simplify right side
    5.44x = 38.58
  5. Step 5: Solve for x
    x = 38.58/5.44
  6. Step 6: Final answer
    x = 7.09

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.