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Finding the Third Proportional to 122,382 and 188,245

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Solution

The third proportional to 122,382 and 188,245 is: 289,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,382 : 188,245 = 188,245 : x
  2. Step 2: Convert to fraction form
    122,382/188,245 = 188,245/x
  3. Step 3: Cross multiply
    122,382x = 188,245 × 188,245
  4. Step 4: Simplify right side
    122,382x = 35,436,180,025
  5. Step 5: Solve for x
    x = 35,436,180,025/122,382
  6. Step 6: Final answer
    x = 289,553.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.