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Finding the Third Proportional to 0.21 and 1.44

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Solution

The third proportional to 0.21 and 1.44 is: 9.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.21 : 1.44 = 1.44 : x
  2. Step 2: Convert to fraction form
    0.21/1.44 = 1.44/x
  3. Step 3: Cross multiply
    0.21x = 1.44 × 1.44
  4. Step 4: Simplify right side
    0.21x = 2.08
  5. Step 5: Solve for x
    x = 2.08/0.21
  6. Step 6: Final answer
    x = 9.85

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Why These Related Problems?

These problems maintain the same ratio (6.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.