Finding the Third Proportional to 223.50 and 395
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Solution
The third proportional to 223.50 and 395 is: 698.10
Step by Step Solution
- Step 1: Write the proportion equation
223.50 : 395 = 395 : x - Step 2: Convert to fraction form
223.50/395 = 395/x - Step 3: Cross multiply
223.50x = 395 × 395 - Step 4: Simplify right side
223.50x = 156,025 - Step 5: Solve for x
x = 156,025/223.50 - Step 6: Final answer
x = 698.10
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Why These Related Problems?
These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.