Finding the Third Proportional to 441 and 819
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Solution
The third proportional to 441 and 819 is: 1,521
Step by Step Solution
- Step 1: Write the proportion equation
441 : 819 = 819 : x - Step 2: Convert to fraction form
441/819 = 819/x - Step 3: Cross multiply
441x = 819 × 819 - Step 4: Simplify right side
441x = 670,761 - Step 5: Solve for x
x = 670,761/441 - Step 6: Final answer
x = 1,521
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Why These Related Problems?
These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.