Finding the Third Proportional to 68.25 and 131
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Solution
The third proportional to 68.25 and 131 is: 251.44
Step by Step Solution
- Step 1: Write the proportion equation
68.25 : 131 = 131 : x - Step 2: Convert to fraction form
68.25/131 = 131/x - Step 3: Cross multiply
68.25x = 131 × 131 - Step 4: Simplify right side
68.25x = 17,161 - Step 5: Solve for x
x = 17,161/68.25 - Step 6: Final answer
x = 251.44
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These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.