Finding the Third Proportional to 986,517.94 and 2,119,891.69
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Solution
The third proportional to 986,517.94 and 2,119,891.69 is: 4,555,356.37
Step by Step Solution
- Step 1: Write the proportion equation
986,517.94 : 2,119,891.69 = 2,119,891.69 : x - Step 2: Convert to fraction form
986,517.94/2,119,891.69 = 2,119,891.69/x - Step 3: Cross multiply
986,517.94x = 2,119,891.69 × 2,119,891.69 - Step 4: Simplify right side
986,517.94x = 4,493,940,766,731.60 - Step 5: Solve for x
x = 4,493,940,766,731.60/986,517.94 - Step 6: Final answer
x = 4,555,356.37
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.