Finding the Third Proportional to 5,041.75 and 7,129.75
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Solution
The third proportional to 5,041.75 and 7,129.75 is: 10,082.48
Step by Step Solution
- Step 1: Write the proportion equation
5,041.75 : 7,129.75 = 7,129.75 : x - Step 2: Convert to fraction form
5,041.75/7,129.75 = 7,129.75/x - Step 3: Cross multiply
5,041.75x = 7,129.75 × 7,129.75 - Step 4: Simplify right side
5,041.75x = 50,833,335.06 - Step 5: Solve for x
x = 50,833,335.06/5,041.75 - Step 6: Final answer
x = 10,082.48
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.