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Finding the Third Proportional to 4.43 and 9.57

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Solution

The third proportional to 4.43 and 9.57 is: 20.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.43 : 9.57 = 9.57 : x
  2. Step 2: Convert to fraction form
    4.43/9.57 = 9.57/x
  3. Step 3: Cross multiply
    4.43x = 9.57 × 9.57
  4. Step 4: Simplify right side
    4.43x = 91.61
  5. Step 5: Solve for x
    x = 91.61/4.43
  6. Step 6: Final answer
    x = 20.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.