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Finding the Third Proportional to 106.50 and 230.81

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Solution

The third proportional to 106.50 and 230.81 is: 500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.50 : 230.81 = 230.81 : x
  2. Step 2: Convert to fraction form
    106.50/230.81 = 230.81/x
  3. Step 3: Cross multiply
    106.50x = 230.81 × 230.81
  4. Step 4: Simplify right side
    106.50x = 53,274.41
  5. Step 5: Solve for x
    x = 53,274.41/106.50
  6. Step 6: Final answer
    x = 500.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.