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Finding the Third Proportional to 137.06 and 180.84

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Solution

The third proportional to 137.06 and 180.84 is: 238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.06 : 180.84 = 180.84 : x
  2. Step 2: Convert to fraction form
    137.06/180.84 = 180.84/x
  3. Step 3: Cross multiply
    137.06x = 180.84 × 180.84
  4. Step 4: Simplify right side
    137.06x = 32,704.46
  5. Step 5: Solve for x
    x = 32,704.46/137.06
  6. Step 6: Final answer
    x = 238.61

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.