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Finding the Third Proportional to 110.25 and 236.81

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Solution

The third proportional to 110.25 and 236.81 is: 508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.25 : 236.81 = 236.81 : x
  2. Step 2: Convert to fraction form
    110.25/236.81 = 236.81/x
  3. Step 3: Cross multiply
    110.25x = 236.81 × 236.81
  4. Step 4: Simplify right side
    110.25x = 56,080.16
  5. Step 5: Solve for x
    x = 56,080.16/110.25
  6. Step 6: Final answer
    x = 508.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.