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Finding the Third Proportional to 117.23 and 246.80

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Solution

The third proportional to 117.23 and 246.80 is: 519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.23 : 246.80 = 246.80 : x
  2. Step 2: Convert to fraction form
    117.23/246.80 = 246.80/x
  3. Step 3: Cross multiply
    117.23x = 246.80 × 246.80
  4. Step 4: Simplify right side
    117.23x = 60,908.70
  5. Step 5: Solve for x
    x = 60,908.70/117.23
  6. Step 6: Final answer
    x = 519.57

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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.