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Finding the Third Proportional to 203.77 and 448.03

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Solution

The third proportional to 203.77 and 448.03 is: 985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.77 : 448.03 = 448.03 : x
  2. Step 2: Convert to fraction form
    203.77/448.03 = 448.03/x
  3. Step 3: Cross multiply
    203.77x = 448.03 × 448.03
  4. Step 4: Simplify right side
    203.77x = 200,732.00
  5. Step 5: Solve for x
    x = 200,732.00/203.77
  6. Step 6: Final answer
    x = 985.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.