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Finding the Third Proportional to 111.09 and 266.06

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Solution

The third proportional to 111.09 and 266.06 is: 637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.09 : 266.06 = 266.06 : x
  2. Step 2: Convert to fraction form
    111.09/266.06 = 266.06/x
  3. Step 3: Cross multiply
    111.09x = 266.06 × 266.06
  4. Step 4: Simplify right side
    111.09x = 70,789.25
  5. Step 5: Solve for x
    x = 70,789.25/111.09
  6. Step 6: Final answer
    x = 637.20

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.