Finding the Third Proportional to 664,695 and 1,449,693
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Solution
The third proportional to 664,695 and 1,449,693 is: 3,161,765.61
Step by Step Solution
- Step 1: Write the proportion equation
664,695 : 1,449,693 = 1,449,693 : x - Step 2: Convert to fraction form
664,695/1,449,693 = 1,449,693/x - Step 3: Cross multiply
664,695x = 1,449,693 × 1,449,693 - Step 4: Simplify right side
664,695x = 2,101,609,794,249 - Step 5: Solve for x
x = 2,101,609,794,249/664,695 - Step 6: Final answer
x = 3,161,765.61
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.