Finding the Third Proportional to 682 and 1,693
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Solution
The third proportional to 682 and 1,693 is: 4,202.71
Step by Step Solution
- Step 1: Write the proportion equation
682 : 1,693 = 1,693 : x - Step 2: Convert to fraction form
682/1,693 = 1,693/x - Step 3: Cross multiply
682x = 1,693 × 1,693 - Step 4: Simplify right side
682x = 2,866,249 - Step 5: Solve for x
x = 2,866,249/682 - Step 6: Final answer
x = 4,202.71
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Why These Related Problems?
These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.