Finding the Third Proportional to 7,891,571 and 18,438,270
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Solution
The third proportional to 7,891,571 and 18,438,270 is: 43,080,116.82
Step by Step Solution
- Step 1: Write the proportion equation
7,891,571 : 18,438,270 = 18,438,270 : x - Step 2: Convert to fraction form
7,891,571/18,438,270 = 18,438,270/x - Step 3: Cross multiply
7,891,571x = 18,438,270 × 18,438,270 - Step 4: Simplify right side
7,891,571x = 339,969,800,592,900 - Step 5: Solve for x
x = 339,969,800,592,900/7,891,571 - Step 6: Final answer
x = 43,080,116.82
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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.