Finding the Third Proportional to 269.44 and 378.75
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Solution
The third proportional to 269.44 and 378.75 is: 532.41
Step by Step Solution
- Step 1: Write the proportion equation
269.44 : 378.75 = 378.75 : x - Step 2: Convert to fraction form
269.44/378.75 = 378.75/x - Step 3: Cross multiply
269.44x = 378.75 × 378.75 - Step 4: Simplify right side
269.44x = 143,451.56 - Step 5: Solve for x
x = 143,451.56/269.44 - Step 6: Final answer
x = 532.41
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.