Finding the Third Proportional to 3,968 and 8,704
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Solution
The third proportional to 3,968 and 8,704 is: 19,092.65
Step by Step Solution
- Step 1: Write the proportion equation
3,968 : 8,704 = 8,704 : x - Step 2: Convert to fraction form
3,968/8,704 = 8,704/x - Step 3: Cross multiply
3,968x = 8,704 × 8,704 - Step 4: Simplify right side
3,968x = 75,759,616 - Step 5: Solve for x
x = 75,759,616/3,968 - Step 6: Final answer
x = 19,092.65
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.