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Finding the Third Proportional to 218.50 and 466.25

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Solution

The third proportional to 218.50 and 466.25 is: 994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218.50 : 466.25 = 466.25 : x
  2. Step 2: Convert to fraction form
    218.50/466.25 = 466.25/x
  3. Step 3: Cross multiply
    218.50x = 466.25 × 466.25
  4. Step 4: Simplify right side
    218.50x = 217,389.06
  5. Step 5: Solve for x
    x = 217,389.06/218.50
  6. Step 6: Final answer
    x = 994.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.