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Finding the Third Proportional to 6.95 and 15.18

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Solution

The third proportional to 6.95 and 15.18 is: 33.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.95 : 15.18 = 15.18 : x
  2. Step 2: Convert to fraction form
    6.95/15.18 = 15.18/x
  3. Step 3: Cross multiply
    6.95x = 15.18 × 15.18
  4. Step 4: Simplify right side
    6.95x = 230.37
  5. Step 5: Solve for x
    x = 230.37/6.95
  6. Step 6: Final answer
    x = 33.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.