Finding the Third Proportional to 163 and 175
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Solution
The third proportional to 163 and 175 is: 187.88
Step by Step Solution
- Step 1: Write the proportion equation
163 : 175 = 175 : x - Step 2: Convert to fraction form
163/175 = 175/x - Step 3: Cross multiply
163x = 175 × 175 - Step 4: Simplify right side
163x = 30,625 - Step 5: Solve for x
x = 30,625/163 - Step 6: Final answer
x = 187.88
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Why These Related Problems?
These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.