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Finding the Third Proportional to 199.50 and 299.06

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Solution

The third proportional to 199.50 and 299.06 is: 448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.50 : 299.06 = 299.06 : x
  2. Step 2: Convert to fraction form
    199.50/299.06 = 299.06/x
  3. Step 3: Cross multiply
    199.50x = 299.06 × 299.06
  4. Step 4: Simplify right side
    199.50x = 89,438.38
  5. Step 5: Solve for x
    x = 89,438.38/199.50
  6. Step 6: Final answer
    x = 448.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.