Finding the Third Proportional to 76.25 and 167.63
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Solution
The third proportional to 76.25 and 167.63 is: 368.50
Step by Step Solution
- Step 1: Write the proportion equation
76.25 : 167.63 = 167.63 : x - Step 2: Convert to fraction form
76.25/167.63 = 167.63/x - Step 3: Cross multiply
76.25x = 167.63 × 167.63 - Step 4: Simplify right side
76.25x = 28,098.14 - Step 5: Solve for x
x = 28,098.14/76.25 - Step 6: Final answer
x = 368.50
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.