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Finding the Third Proportional to 181.25 and 266

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Solution

The third proportional to 181.25 and 266 is: 390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.25 : 266 = 266 : x
  2. Step 2: Convert to fraction form
    181.25/266 = 266/x
  3. Step 3: Cross multiply
    181.25x = 266 × 266
  4. Step 4: Simplify right side
    181.25x = 70,756
  5. Step 5: Solve for x
    x = 70,756/181.25
  6. Step 6: Final answer
    x = 390.38

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.