Finding the Third Proportional to 821,436 and 1,797,723
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Solution
The third proportional to 821,436 and 1,797,723 is: 3,934,339.36
Step by Step Solution
- Step 1: Write the proportion equation
821,436 : 1,797,723 = 1,797,723 : x - Step 2: Convert to fraction form
821,436/1,797,723 = 1,797,723/x - Step 3: Cross multiply
821,436x = 1,797,723 × 1,797,723 - Step 4: Simplify right side
821,436x = 3,231,807,984,729 - Step 5: Solve for x
x = 3,231,807,984,729/821,436 - Step 6: Final answer
x = 3,934,339.36
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.