Finding the Third Proportional to 18,512,024 and 39,868,836
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Solution
The third proportional to 18,512,024 and 39,868,836 is: 85,864,413.53
Step by Step Solution
- Step 1: Write the proportion equation
18,512,024 : 39,868,836 = 39,868,836 : x - Step 2: Convert to fraction form
18,512,024/39,868,836 = 39,868,836/x - Step 3: Cross multiply
18,512,024x = 39,868,836 × 39,868,836 - Step 4: Simplify right side
18,512,024x = 1,589,524,083,994,896 - Step 5: Solve for x
x = 1,589,524,083,994,896/18,512,024 - Step 6: Final answer
x = 85,864,413.53
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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.