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Finding the Third Proportional to 200,820 and 267,731

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Solution

The third proportional to 200,820 and 267,731 is: 356,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,820 : 267,731 = 267,731 : x
  2. Step 2: Convert to fraction form
    200,820/267,731 = 267,731/x
  3. Step 3: Cross multiply
    200,820x = 267,731 × 267,731
  4. Step 4: Simplify right side
    200,820x = 71,679,888,361
  5. Step 5: Solve for x
    x = 71,679,888,361/200,820
  6. Step 6: Final answer
    x = 356,936.00

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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.