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Finding the Third Proportional to 7.51 and 14.18

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Solution

The third proportional to 7.51 and 14.18 is: 26.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.51 : 14.18 = 14.18 : x
  2. Step 2: Convert to fraction form
    7.51/14.18 = 14.18/x
  3. Step 3: Cross multiply
    7.51x = 14.18 × 14.18
  4. Step 4: Simplify right side
    7.51x = 201.08
  5. Step 5: Solve for x
    x = 201.08/7.51
  6. Step 6: Final answer
    x = 26.78

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.