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Finding the Third Proportional to 200,329 and 408,077

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Solution

The third proportional to 200,329 and 408,077 is: 831,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,329 : 408,077 = 408,077 : x
  2. Step 2: Convert to fraction form
    200,329/408,077 = 408,077/x
  3. Step 3: Cross multiply
    200,329x = 408,077 × 408,077
  4. Step 4: Simplify right side
    200,329x = 166,526,837,929
  5. Step 5: Solve for x
    x = 166,526,837,929/200,329
  6. Step 6: Final answer
    x = 831,266.76

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.