Finding the Third Proportional to 389,986 and 810,592
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Solution
The third proportional to 389,986 and 810,592 is: 1,684,828.15
Step by Step Solution
- Step 1: Write the proportion equation
389,986 : 810,592 = 810,592 : x - Step 2: Convert to fraction form
389,986/810,592 = 810,592/x - Step 3: Cross multiply
389,986x = 810,592 × 810,592 - Step 4: Simplify right side
389,986x = 657,059,390,464 - Step 5: Solve for x
x = 657,059,390,464/389,986 - Step 6: Final answer
x = 1,684,828.15
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.