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Finding the Third Proportional to 222,590 and 333,885

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Solution

The third proportional to 222,590 and 333,885 is: 500,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,590 : 333,885 = 333,885 : x
  2. Step 2: Convert to fraction form
    222,590/333,885 = 333,885/x
  3. Step 3: Cross multiply
    222,590x = 333,885 × 333,885
  4. Step 4: Simplify right side
    222,590x = 111,479,193,225
  5. Step 5: Solve for x
    x = 111,479,193,225/222,590
  6. Step 6: Final answer
    x = 500,827.50

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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.