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Finding the Third Proportional to 199.88 and 433.03

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Solution

The third proportional to 199.88 and 433.03 is: 938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.88 : 433.03 = 433.03 : x
  2. Step 2: Convert to fraction form
    199.88/433.03 = 433.03/x
  3. Step 3: Cross multiply
    199.88x = 433.03 × 433.03
  4. Step 4: Simplify right side
    199.88x = 187,516.06
  5. Step 5: Solve for x
    x = 187,516.06/199.88
  6. Step 6: Final answer
    x = 938.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.