Finding the Third Proportional to 486,942,918 and 990,891,894
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Solution
The third proportional to 486,942,918 and 990,891,894 is: 2,016,389,825.79
Step by Step Solution
- Step 1: Write the proportion equation
486,942,918 : 990,891,894 = 990,891,894 : x - Step 2: Convert to fraction form
486,942,918/990,891,894 = 990,891,894/x - Step 3: Cross multiply
486,942,918x = 990,891,894 × 990,891,894 - Step 4: Simplify right side
486,942,918x = 981,866,745,594,907,264 - Step 5: Solve for x
x = 981,866,745,594,907,264/486,942,918 - Step 6: Final answer
x = 2,016,389,825.79
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.