Finding the Third Proportional to 143 and 273
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Solution
The third proportional to 143 and 273 is: 521.18
Step by Step Solution
- Step 1: Write the proportion equation
143 : 273 = 273 : x - Step 2: Convert to fraction form
143/273 = 273/x - Step 3: Cross multiply
143x = 273 × 273 - Step 4: Simplify right side
143x = 74,529 - Step 5: Solve for x
x = 74,529/143 - Step 6: Final answer
x = 521.18
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Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.