Finding the Third Proportional to 658 and 779
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Solution
The third proportional to 658 and 779 is: 922.25
Step by Step Solution
- Step 1: Write the proportion equation
658 : 779 = 779 : x - Step 2: Convert to fraction form
658/779 = 779/x - Step 3: Cross multiply
658x = 779 × 779 - Step 4: Simplify right side
658x = 606,841 - Step 5: Solve for x
x = 606,841/658 - Step 6: Final answer
x = 922.25
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Why These Related Problems?
These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.