Finding the Third Proportional to 2,674 and 3,939
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Solution
The third proportional to 2,674 and 3,939 is: 5,802.44
Step by Step Solution
- Step 1: Write the proportion equation
2,674 : 3,939 = 3,939 : x - Step 2: Convert to fraction form
2,674/3,939 = 3,939/x - Step 3: Cross multiply
2,674x = 3,939 × 3,939 - Step 4: Simplify right side
2,674x = 15,515,721 - Step 5: Solve for x
x = 15,515,721/2,674 - Step 6: Final answer
x = 5,802.44
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.