Finding the Third Proportional to 992 and 2,080
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Solution
The third proportional to 992 and 2,080 is: 4,361.29
Step by Step Solution
- Step 1: Write the proportion equation
992 : 2,080 = 2,080 : x - Step 2: Convert to fraction form
992/2,080 = 2,080/x - Step 3: Cross multiply
992x = 2,080 × 2,080 - Step 4: Simplify right side
992x = 4,326,400 - Step 5: Solve for x
x = 4,326,400/992 - Step 6: Final answer
x = 4,361.29
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.