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Finding the Third Proportional to 6.44 and 9.75

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Solution

The third proportional to 6.44 and 9.75 is: 14.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.44 : 9.75 = 9.75 : x
  2. Step 2: Convert to fraction form
    6.44/9.75 = 9.75/x
  3. Step 3: Cross multiply
    6.44x = 9.75 × 9.75
  4. Step 4: Simplify right side
    6.44x = 95.06
  5. Step 5: Solve for x
    x = 95.06/6.44
  6. Step 6: Final answer
    x = 14.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.