Finding the Third Proportional to 8,442,812 and 19,910,498
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Solution
The third proportional to 8,442,812 and 19,910,498 is: 46,954,489.88
Step by Step Solution
- Step 1: Write the proportion equation
8,442,812 : 19,910,498 = 19,910,498 : x - Step 2: Convert to fraction form
8,442,812/19,910,498 = 19,910,498/x - Step 3: Cross multiply
8,442,812x = 19,910,498 × 19,910,498 - Step 4: Simplify right side
8,442,812x = 396,427,930,608,004 - Step 5: Solve for x
x = 396,427,930,608,004/8,442,812 - Step 6: Final answer
x = 46,954,489.88
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.