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Finding the Third Proportional to 203.44 and 302.06

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Solution

The third proportional to 203.44 and 302.06 is: 448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.44 : 302.06 = 302.06 : x
  2. Step 2: Convert to fraction form
    203.44/302.06 = 302.06/x
  3. Step 3: Cross multiply
    203.44x = 302.06 × 302.06
  4. Step 4: Simplify right side
    203.44x = 91,241.75
  5. Step 5: Solve for x
    x = 91,241.75/203.44
  6. Step 6: Final answer
    x = 448.50

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.