Finding the Third Proportional to 218.50 and 451
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Solution
The third proportional to 218.50 and 451 is: 930.90
Step by Step Solution
- Step 1: Write the proportion equation
218.50 : 451 = 451 : x - Step 2: Convert to fraction form
218.50/451 = 451/x - Step 3: Cross multiply
218.50x = 451 × 451 - Step 4: Simplify right side
218.50x = 203,401 - Step 5: Solve for x
x = 203,401/218.50 - Step 6: Final answer
x = 930.90
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.