Finding the Third Proportional to 55 and 141
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Solution
The third proportional to 55 and 141 is: 361.47
Step by Step Solution
- Step 1: Write the proportion equation
55 : 141 = 141 : x - Step 2: Convert to fraction form
55/141 = 141/x - Step 3: Cross multiply
55x = 141 × 141 - Step 4: Simplify right side
55x = 19,881 - Step 5: Solve for x
x = 19,881/55 - Step 6: Final answer
x = 361.47
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Why These Related Problems?
These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.