Finding the Third Proportional to 94.50 and 189
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Solution
The third proportional to 94.50 and 189 is: 378
Step by Step Solution
- Step 1: Write the proportion equation
94.50 : 189 = 189 : x - Step 2: Convert to fraction form
94.50/189 = 189/x - Step 3: Cross multiply
94.50x = 189 × 189 - Step 4: Simplify right side
94.50x = 35,721 - Step 5: Solve for x
x = 35,721/94.50 - Step 6: Final answer
x = 378
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.