Finding the Third Proportional to 7,678,989 and 16,589,502
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Solution
The third proportional to 7,678,989 and 16,589,502 is: 35,839,558.65
Step by Step Solution
- Step 1: Write the proportion equation
7,678,989 : 16,589,502 = 16,589,502 : x - Step 2: Convert to fraction form
7,678,989/16,589,502 = 16,589,502/x - Step 3: Cross multiply
7,678,989x = 16,589,502 × 16,589,502 - Step 4: Simplify right side
7,678,989x = 275,211,576,608,004 - Step 5: Solve for x
x = 275,211,576,608,004/7,678,989 - Step 6: Final answer
x = 35,839,558.65
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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.