Finding the Third Proportional to 7,678,990 and 16,589,504
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Solution
The third proportional to 7,678,990 and 16,589,504 is: 35,839,562.62
Step by Step Solution
- Step 1: Write the proportion equation
7,678,990 : 16,589,504 = 16,589,504 : x - Step 2: Convert to fraction form
7,678,990/16,589,504 = 16,589,504/x - Step 3: Cross multiply
7,678,990x = 16,589,504 × 16,589,504 - Step 4: Simplify right side
7,678,990x = 275,211,642,966,016 - Step 5: Solve for x
x = 275,211,642,966,016/7,678,990 - Step 6: Final answer
x = 35,839,562.62
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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.