Finding the Third Proportional to 7,474.13 and 15,859.31
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Solution
The third proportional to 7,474.13 and 15,859.31 is: 33,651.80
Step by Step Solution
- Step 1: Write the proportion equation
7,474.13 : 15,859.31 = 15,859.31 : x - Step 2: Convert to fraction form
7,474.13/15,859.31 = 15,859.31/x - Step 3: Cross multiply
7,474.13x = 15,859.31 × 15,859.31 - Step 4: Simplify right side
7,474.13x = 251,517,792.97 - Step 5: Solve for x
x = 251,517,792.97/7,474.13 - Step 6: Final answer
x = 33,651.80
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.