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Finding the Third Proportional to 188,233.50 and 276,072.75

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Solution

The third proportional to 188,233.50 and 276,072.75 is: 404,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,233.50 : 276,072.75 = 276,072.75 : x
  2. Step 2: Convert to fraction form
    188,233.50/276,072.75 = 276,072.75/x
  3. Step 3: Cross multiply
    188,233.50x = 276,072.75 × 276,072.75
  4. Step 4: Simplify right side
    188,233.50x = 76,216,163,292.56
  5. Step 5: Solve for x
    x = 76,216,163,292.56/188,233.50
  6. Step 6: Final answer
    x = 404,902.23

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Why These Related Problems?

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