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Finding the Third Proportional to 200,327 and 408,075

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Solution

The third proportional to 200,327 and 408,075 is: 831,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,327 : 408,075 = 408,075 : x
  2. Step 2: Convert to fraction form
    200,327/408,075 = 408,075/x
  3. Step 3: Cross multiply
    200,327x = 408,075 × 408,075
  4. Step 4: Simplify right side
    200,327x = 166,525,205,625
  5. Step 5: Solve for x
    x = 166,525,205,625/200,327
  6. Step 6: Final answer
    x = 831,266.91

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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.