Finding the Third Proportional to 33 and 80.25
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Solution
The third proportional to 33 and 80.25 is: 195.15
Step by Step Solution
- Step 1: Write the proportion equation
33 : 80.25 = 80.25 : x - Step 2: Convert to fraction form
33/80.25 = 80.25/x - Step 3: Cross multiply
33x = 80.25 × 80.25 - Step 4: Simplify right side
33x = 6,440.06 - Step 5: Solve for x
x = 6,440.06/33 - Step 6: Final answer
x = 195.15
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Why These Related Problems?
These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.