Finding the Third Proportional to 82,174.50 and 174,939.75
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Solution
The third proportional to 82,174.50 and 174,939.75 is: 372,425.95
Step by Step Solution
- Step 1: Write the proportion equation
82,174.50 : 174,939.75 = 174,939.75 : x - Step 2: Convert to fraction form
82,174.50/174,939.75 = 174,939.75/x - Step 3: Cross multiply
82,174.50x = 174,939.75 × 174,939.75 - Step 4: Simplify right side
82,174.50x = 30,603,916,130.06 - Step 5: Solve for x
x = 30,603,916,130.06/82,174.50 - Step 6: Final answer
x = 372,425.95
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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.