Finding the Third Proportional to 75,120.75 and 116,161.38
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Solution
The third proportional to 75,120.75 and 116,161.38 is: 179,623.70
Step by Step Solution
- Step 1: Write the proportion equation
75,120.75 : 116,161.38 = 116,161.38 : x - Step 2: Convert to fraction form
75,120.75/116,161.38 = 116,161.38/x - Step 3: Cross multiply
75,120.75x = 116,161.38 × 116,161.38 - Step 4: Simplify right side
75,120.75x = 13,493,466,856.91 - Step 5: Solve for x
x = 13,493,466,856.91/75,120.75 - Step 6: Final answer
x = 179,623.70
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.