Finding the Third Proportional to 3,493.13 and 7,431.75
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Solution
The third proportional to 3,493.13 and 7,431.75 is: 15,811.32
Step by Step Solution
- Step 1: Write the proportion equation
3,493.13 : 7,431.75 = 7,431.75 : x - Step 2: Convert to fraction form
3,493.13/7,431.75 = 7,431.75/x - Step 3: Cross multiply
3,493.13x = 7,431.75 × 7,431.75 - Step 4: Simplify right side
3,493.13x = 55,230,908.06 - Step 5: Solve for x
x = 55,230,908.06/3,493.13 - Step 6: Final answer
x = 15,811.32
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.