Finding the Third Proportional to 8,488,715 and 18,412,939
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Solution
The third proportional to 8,488,715 and 18,412,939 is: 39,939,651.95
Step by Step Solution
- Step 1: Write the proportion equation
8,488,715 : 18,412,939 = 18,412,939 : x - Step 2: Convert to fraction form
8,488,715/18,412,939 = 18,412,939/x - Step 3: Cross multiply
8,488,715x = 18,412,939 × 18,412,939 - Step 4: Simplify right side
8,488,715x = 339,036,322,617,721 - Step 5: Solve for x
x = 339,036,322,617,721/8,488,715 - Step 6: Final answer
x = 39,939,651.95
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.