Finding the Third Proportional to 220 and 439
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Solution
The third proportional to 220 and 439 is: 876.00
Step by Step Solution
- Step 1: Write the proportion equation
220 : 439 = 439 : x - Step 2: Convert to fraction form
220/439 = 439/x - Step 3: Cross multiply
220x = 439 × 439 - Step 4: Simplify right side
220x = 192,721 - Step 5: Solve for x
x = 192,721/220 - Step 6: Final answer
x = 876.00
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Why These Related Problems?
These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.