Finding the Third Proportional to 75 and 163.13
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Solution
The third proportional to 75 and 163.13 is: 354.80
Step by Step Solution
- Step 1: Write the proportion equation
75 : 163.13 = 163.13 : x - Step 2: Convert to fraction form
75/163.13 = 163.13/x - Step 3: Cross multiply
75x = 163.13 × 163.13 - Step 4: Simplify right side
75x = 26,609.77 - Step 5: Solve for x
x = 26,609.77/75 - Step 6: Final answer
x = 354.80
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.