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Finding the Third Proportional to 218.81 and 444

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Solution

The third proportional to 218.81 and 444 is: 900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.81 : 444 = 444 : x
  2. Step 2: Convert to fraction form
    218.81/444 = 444/x
  3. Step 3: Cross multiply
    218.81x = 444 × 444
  4. Step 4: Simplify right side
    218.81x = 197,136
  5. Step 5: Solve for x
    x = 197,136/218.81
  6. Step 6: Final answer
    x = 900.94

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.