Finding the Third Proportional to 126.75 and 176.25
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Solution
The third proportional to 126.75 and 176.25 is: 245.08
Step by Step Solution
- Step 1: Write the proportion equation
126.75 : 176.25 = 176.25 : x - Step 2: Convert to fraction form
126.75/176.25 = 176.25/x - Step 3: Cross multiply
126.75x = 176.25 × 176.25 - Step 4: Simplify right side
126.75x = 31,064.06 - Step 5: Solve for x
x = 31,064.06/126.75 - Step 6: Final answer
x = 245.08
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.