Finding the Third Proportional to 31,949 and 69,475
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Solution
The third proportional to 31,949 and 69,475 is: 151,077.52
Step by Step Solution
- Step 1: Write the proportion equation
31,949 : 69,475 = 69,475 : x - Step 2: Convert to fraction form
31,949/69,475 = 69,475/x - Step 3: Cross multiply
31,949x = 69,475 × 69,475 - Step 4: Simplify right side
31,949x = 4,826,775,625 - Step 5: Solve for x
x = 4,826,775,625/31,949 - Step 6: Final answer
x = 151,077.52
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.