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Finding the Third Proportional to 51.12 and 110.32

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Solution

The third proportional to 51.12 and 110.32 is: 238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.12 : 110.32 = 110.32 : x
  2. Step 2: Convert to fraction form
    51.12/110.32 = 110.32/x
  3. Step 3: Cross multiply
    51.12x = 110.32 × 110.32
  4. Step 4: Simplify right side
    51.12x = 12,170.57
  5. Step 5: Solve for x
    x = 12,170.57/51.12
  6. Step 6: Final answer
    x = 238.09

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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.