Finding the Third Proportional to 843,891 and 1,990,869
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Solution
The third proportional to 843,891 and 1,990,869 is: 4,696,766.97
Step by Step Solution
- Step 1: Write the proportion equation
843,891 : 1,990,869 = 1,990,869 : x - Step 2: Convert to fraction form
843,891/1,990,869 = 1,990,869/x - Step 3: Cross multiply
843,891x = 1,990,869 × 1,990,869 - Step 4: Simplify right side
843,891x = 3,963,559,375,161 - Step 5: Solve for x
x = 3,963,559,375,161/843,891 - Step 6: Final answer
x = 4,696,766.97
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.