Finding the Third Proportional to 91.50 and 94.50
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Solution
The third proportional to 91.50 and 94.50 is: 97.60
Step by Step Solution
- Step 1: Write the proportion equation
91.50 : 94.50 = 94.50 : x - Step 2: Convert to fraction form
91.50/94.50 = 94.50/x - Step 3: Cross multiply
91.50x = 94.50 × 94.50 - Step 4: Simplify right side
91.50x = 8,930.25 - Step 5: Solve for x
x = 8,930.25/91.50 - Step 6: Final answer
x = 97.60
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Why These Related Problems?
These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.