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Finding the Third Proportional to 200,662 and 267,640

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Solution

The third proportional to 200,662 and 267,640 is: 356,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,662 : 267,640 = 267,640 : x
  2. Step 2: Convert to fraction form
    200,662/267,640 = 267,640/x
  3. Step 3: Cross multiply
    200,662x = 267,640 × 267,640
  4. Step 4: Simplify right side
    200,662x = 71,631,169,600
  5. Step 5: Solve for x
    x = 71,631,169,600/200,662
  6. Step 6: Final answer
    x = 356,974.26

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.