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Finding the Third Proportional to 222.38 and 332.63

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Solution

The third proportional to 222.38 and 332.63 is: 497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.38 : 332.63 = 332.63 : x
  2. Step 2: Convert to fraction form
    222.38/332.63 = 332.63/x
  3. Step 3: Cross multiply
    222.38x = 332.63 × 332.63
  4. Step 4: Simplify right side
    222.38x = 110,639.39
  5. Step 5: Solve for x
    x = 110,639.39/222.38
  6. Step 6: Final answer
    x = 497.54

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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.