Finding the Third Proportional to 18,161,376 and 39,511,398
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Solution
The third proportional to 18,161,376 and 39,511,398 is: 85,959,927.92
Step by Step Solution
- Step 1: Write the proportion equation
18,161,376 : 39,511,398 = 39,511,398 : x - Step 2: Convert to fraction form
18,161,376/39,511,398 = 39,511,398/x - Step 3: Cross multiply
18,161,376x = 39,511,398 × 39,511,398 - Step 4: Simplify right side
18,161,376x = 1,561,150,571,914,404 - Step 5: Solve for x
x = 1,561,150,571,914,404/18,161,376 - Step 6: Final answer
x = 85,959,927.92
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.