Finding the Third Proportional to 247.50 and 441.50
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Solution
The third proportional to 247.50 and 441.50 is: 787.56
Step by Step Solution
- Step 1: Write the proportion equation
247.50 : 441.50 = 441.50 : x - Step 2: Convert to fraction form
247.50/441.50 = 441.50/x - Step 3: Cross multiply
247.50x = 441.50 × 441.50 - Step 4: Simplify right side
247.50x = 194,922.25 - Step 5: Solve for x
x = 194,922.25/247.50 - Step 6: Final answer
x = 787.56
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Why These Related Problems?
These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.