Finding the Third Proportional to 2,116 and 3,924
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Solution
The third proportional to 2,116 and 3,924 is: 7,276.83
Step by Step Solution
- Step 1: Write the proportion equation
2,116 : 3,924 = 3,924 : x - Step 2: Convert to fraction form
2,116/3,924 = 3,924/x - Step 3: Cross multiply
2,116x = 3,924 × 3,924 - Step 4: Simplify right side
2,116x = 15,397,776 - Step 5: Solve for x
x = 15,397,776/2,116 - Step 6: Final answer
x = 7,276.83
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.