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Finding the Third Proportional to 203,112 and 303,768

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Solution

The third proportional to 203,112 and 303,768 is: 454,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,112 : 303,768 = 303,768 : x
  2. Step 2: Convert to fraction form
    203,112/303,768 = 303,768/x
  3. Step 3: Cross multiply
    203,112x = 303,768 × 303,768
  4. Step 4: Simplify right side
    203,112x = 92,274,997,824
  5. Step 5: Solve for x
    x = 92,274,997,824/203,112
  6. Step 6: Final answer
    x = 454,305.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.