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Finding the Third Proportional to 10.42 and 16.94

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Solution

The third proportional to 10.42 and 16.94 is: 27.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.42 : 16.94 = 16.94 : x
  2. Step 2: Convert to fraction form
    10.42/16.94 = 16.94/x
  3. Step 3: Cross multiply
    10.42x = 16.94 × 16.94
  4. Step 4: Simplify right side
    10.42x = 286.98
  5. Step 5: Solve for x
    x = 286.98/10.42
  6. Step 6: Final answer
    x = 27.53

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.