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Finding the Third Proportional to 223 and 470.38

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Solution

The third proportional to 223 and 470.38 is: 992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223 : 470.38 = 470.38 : x
  2. Step 2: Convert to fraction form
    223/470.38 = 470.38/x
  3. Step 3: Cross multiply
    223x = 470.38 × 470.38
  4. Step 4: Simplify right side
    223x = 221,252.64
  5. Step 5: Solve for x
    x = 221,252.64/223
  6. Step 6: Final answer
    x = 992.16

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.