Finding the Third Proportional to 419,820 and 905,976
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Solution
The third proportional to 419,820 and 905,976 is: 1,955,105.79
Step by Step Solution
- Step 1: Write the proportion equation
419,820 : 905,976 = 905,976 : x - Step 2: Convert to fraction form
419,820/905,976 = 905,976/x - Step 3: Cross multiply
419,820x = 905,976 × 905,976 - Step 4: Simplify right side
419,820x = 820,792,512,576 - Step 5: Solve for x
x = 820,792,512,576/419,820 - Step 6: Final answer
x = 1,955,105.79
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.