Finding the Third Proportional to 91.50 and 158.25
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Solution
The third proportional to 91.50 and 158.25 is: 273.69
Step by Step Solution
- Step 1: Write the proportion equation
91.50 : 158.25 = 158.25 : x - Step 2: Convert to fraction form
91.50/158.25 = 158.25/x - Step 3: Cross multiply
91.50x = 158.25 × 158.25 - Step 4: Simplify right side
91.50x = 25,043.06 - Step 5: Solve for x
x = 25,043.06/91.50 - Step 6: Final answer
x = 273.69
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Why These Related Problems?
These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.