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Finding the Third Proportional to 223,576 and 331,036

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Solution

The third proportional to 223,576 and 331,036 is: 490,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,576 : 331,036 = 331,036 : x
  2. Step 2: Convert to fraction form
    223,576/331,036 = 331,036/x
  3. Step 3: Cross multiply
    223,576x = 331,036 × 331,036
  4. Step 4: Simplify right side
    223,576x = 109,584,833,296
  5. Step 5: Solve for x
    x = 109,584,833,296/223,576
  6. Step 6: Final answer
    x = 490,145.78

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.