Finding the Third Proportional to 3,972,909 and 8,575,671
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Solution
The third proportional to 3,972,909 and 8,575,671 is: 18,510,902.99
Step by Step Solution
- Step 1: Write the proportion equation
3,972,909 : 8,575,671 = 8,575,671 : x - Step 2: Convert to fraction form
3,972,909/8,575,671 = 8,575,671/x - Step 3: Cross multiply
3,972,909x = 8,575,671 × 8,575,671 - Step 4: Simplify right side
3,972,909x = 73,542,133,100,241 - Step 5: Solve for x
x = 73,542,133,100,241/3,972,909 - Step 6: Final answer
x = 18,510,902.99
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.