Finding the Third Proportional to 108 and 116
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Solution
The third proportional to 108 and 116 is: 124.59
Step by Step Solution
- Step 1: Write the proportion equation
108 : 116 = 116 : x - Step 2: Convert to fraction form
108/116 = 116/x - Step 3: Cross multiply
108x = 116 × 116 - Step 4: Simplify right side
108x = 13,456 - Step 5: Solve for x
x = 13,456/108 - Step 6: Final answer
x = 124.59
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Why These Related Problems?
These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.