Finding the Third Proportional to 853 and 1,867
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Solution
The third proportional to 853 and 1,867 is: 4,086.39
Step by Step Solution
- Step 1: Write the proportion equation
853 : 1,867 = 1,867 : x - Step 2: Convert to fraction form
853/1,867 = 1,867/x - Step 3: Cross multiply
853x = 1,867 × 1,867 - Step 4: Simplify right side
853x = 3,485,689 - Step 5: Solve for x
x = 3,485,689/853 - Step 6: Final answer
x = 4,086.39
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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.