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Finding the Third Proportional to 183.66 and 251.72

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Solution

The third proportional to 183.66 and 251.72 is: 345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.66 : 251.72 = 251.72 : x
  2. Step 2: Convert to fraction form
    183.66/251.72 = 251.72/x
  3. Step 3: Cross multiply
    183.66x = 251.72 × 251.72
  4. Step 4: Simplify right side
    183.66x = 63,362.33
  5. Step 5: Solve for x
    x = 63,362.33/183.66
  6. Step 6: Final answer
    x = 345.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.