Finding the Third Proportional to 3,163.50 and 5,028.19
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Solution
The third proportional to 3,163.50 and 5,028.19 is: 7,991.99
Step by Step Solution
- Step 1: Write the proportion equation
3,163.50 : 5,028.19 = 5,028.19 : x - Step 2: Convert to fraction form
3,163.50/5,028.19 = 5,028.19/x - Step 3: Cross multiply
3,163.50x = 5,028.19 × 5,028.19 - Step 4: Simplify right side
3,163.50x = 25,282,669.54 - Step 5: Solve for x
x = 25,282,669.54/3,163.50 - Step 6: Final answer
x = 7,991.99
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.