Finding the Third Proportional to 822,243.75 and 1,980,879
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Solution
The third proportional to 822,243.75 and 1,980,879 is: 4,772,163.50
Step by Step Solution
- Step 1: Write the proportion equation
822,243.75 : 1,980,879 = 1,980,879 : x - Step 2: Convert to fraction form
822,243.75/1,980,879 = 1,980,879/x - Step 3: Cross multiply
822,243.75x = 1,980,879 × 1,980,879 - Step 4: Simplify right side
822,243.75x = 3,923,881,612,641 - Step 5: Solve for x
x = 3,923,881,612,641/822,243.75 - Step 6: Final answer
x = 4,772,163.50
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Why These Related Problems?
These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.