Finding the Third Proportional to 7,882,000 and 16,942,720
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Solution
The third proportional to 7,882,000 and 16,942,720 is: 36,419,152.63
Step by Step Solution
- Step 1: Write the proportion equation
7,882,000 : 16,942,720 = 16,942,720 : x - Step 2: Convert to fraction form
7,882,000/16,942,720 = 16,942,720/x - Step 3: Cross multiply
7,882,000x = 16,942,720 × 16,942,720 - Step 4: Simplify right side
7,882,000x = 287,055,760,998,400 - Step 5: Solve for x
x = 287,055,760,998,400/7,882,000 - Step 6: Final answer
x = 36,419,152.63
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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.