Finding the Third Proportional to 31,902 and 69,393
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Solution
The third proportional to 31,902 and 69,393 is: 150,943.15
Step by Step Solution
- Step 1: Write the proportion equation
31,902 : 69,393 = 69,393 : x - Step 2: Convert to fraction form
31,902/69,393 = 69,393/x - Step 3: Cross multiply
31,902x = 69,393 × 69,393 - Step 4: Simplify right side
31,902x = 4,815,388,449 - Step 5: Solve for x
x = 4,815,388,449/31,902 - Step 6: Final answer
x = 150,943.15
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.