Finding the Third Proportional to 7,891,520.63 and 18,438,163.13
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Solution
The third proportional to 7,891,520.63 and 18,438,163.13 is: 43,079,892.40
Step by Step Solution
- Step 1: Write the proportion equation
7,891,520.63 : 18,438,163.13 = 18,438,163.13 : x - Step 2: Convert to fraction form
7,891,520.63/18,438,163.13 = 18,438,163.13/x - Step 3: Cross multiply
7,891,520.63x = 18,438,163.13 × 18,438,163.13 - Step 4: Simplify right side
7,891,520.63x = 339,965,859,424,109.75 - Step 5: Solve for x
x = 339,965,859,424,109.75/7,891,520.63 - Step 6: Final answer
x = 43,079,892.40
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.