Finding the Third Proportional to 4,163.91 and 8,127.84
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Solution
The third proportional to 4,163.91 and 8,127.84 is: 15,865.35
Step by Step Solution
- Step 1: Write the proportion equation
4,163.91 : 8,127.84 = 8,127.84 : x - Step 2: Convert to fraction form
4,163.91/8,127.84 = 8,127.84/x - Step 3: Cross multiply
4,163.91x = 8,127.84 × 8,127.84 - Step 4: Simplify right side
4,163.91x = 66,061,844.02 - Step 5: Solve for x
x = 66,061,844.02/4,163.91 - Step 6: Final answer
x = 15,865.35
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.