Finding the Third Proportional to 99 and 173.75
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Solution
The third proportional to 99 and 173.75 is: 304.94
Step by Step Solution
- Step 1: Write the proportion equation
99 : 173.75 = 173.75 : x - Step 2: Convert to fraction form
99/173.75 = 173.75/x - Step 3: Cross multiply
99x = 173.75 × 173.75 - Step 4: Simplify right side
99x = 30,189.06 - Step 5: Solve for x
x = 30,189.06/99 - Step 6: Final answer
x = 304.94
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Why These Related Problems?
These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.