Finding the Third Proportional to 83,163.38 and 127,239.75
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Solution
The third proportional to 83,163.38 and 127,239.75 is: 194,676.49
Step by Step Solution
- Step 1: Write the proportion equation
83,163.38 : 127,239.75 = 127,239.75 : x - Step 2: Convert to fraction form
83,163.38/127,239.75 = 127,239.75/x - Step 3: Cross multiply
83,163.38x = 127,239.75 × 127,239.75 - Step 4: Simplify right side
83,163.38x = 16,189,953,980.06 - Step 5: Solve for x
x = 16,189,953,980.06/83,163.38 - Step 6: Final answer
x = 194,676.49
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.