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Finding the Third Proportional to 222,115.50 and 303,648

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Solution

The third proportional to 222,115.50 and 303,648 is: 415,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115.50 : 303,648 = 303,648 : x
  2. Step 2: Convert to fraction form
    222,115.50/303,648 = 303,648/x
  3. Step 3: Cross multiply
    222,115.50x = 303,648 × 303,648
  4. Step 4: Simplify right side
    222,115.50x = 92,202,107,904
  5. Step 5: Solve for x
    x = 92,202,107,904/222,115.50
  6. Step 6: Final answer
    x = 415,108.84

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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.