Finding the Third Proportional to 4,212 and 7,956
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Solution
The third proportional to 4,212 and 7,956 is: 15,028
Step by Step Solution
- Step 1: Write the proportion equation
4,212 : 7,956 = 7,956 : x - Step 2: Convert to fraction form
4,212/7,956 = 7,956/x - Step 3: Cross multiply
4,212x = 7,956 × 7,956 - Step 4: Simplify right side
4,212x = 63,297,936 - Step 5: Solve for x
x = 63,297,936/4,212 - Step 6: Final answer
x = 15,028
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Why These Related Problems?
These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.