Finding the Third Proportional to 31,980 and 50,057
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Solution
The third proportional to 31,980 and 50,057 is: 78,352.20
Step by Step Solution
- Step 1: Write the proportion equation
31,980 : 50,057 = 50,057 : x - Step 2: Convert to fraction form
31,980/50,057 = 50,057/x - Step 3: Cross multiply
31,980x = 50,057 × 50,057 - Step 4: Simplify right side
31,980x = 2,505,703,249 - Step 5: Solve for x
x = 2,505,703,249/31,980 - Step 6: Final answer
x = 78,352.20
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.