Finding the Third Proportional to 394,632 and 855,792
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Solution
The third proportional to 394,632 and 855,792 is: 1,855,855.45
Step by Step Solution
- Step 1: Write the proportion equation
394,632 : 855,792 = 855,792 : x - Step 2: Convert to fraction form
394,632/855,792 = 855,792/x - Step 3: Cross multiply
394,632x = 855,792 × 855,792 - Step 4: Simplify right side
394,632x = 732,379,947,264 - Step 5: Solve for x
x = 732,379,947,264/394,632 - Step 6: Final answer
x = 1,855,855.45
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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.