Finding the Third Proportional to 65.50 and 163
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Solution
The third proportional to 65.50 and 163 is: 405.63
Step by Step Solution
- Step 1: Write the proportion equation
65.50 : 163 = 163 : x - Step 2: Convert to fraction form
65.50/163 = 163/x - Step 3: Cross multiply
65.50x = 163 × 163 - Step 4: Simplify right side
65.50x = 26,569 - Step 5: Solve for x
x = 26,569/65.50 - Step 6: Final answer
x = 405.63
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Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.