Finding the Third Proportional to 1,474 and 2,147
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Solution
The third proportional to 1,474 and 2,147 is: 3,127.28
Step by Step Solution
- Step 1: Write the proportion equation
1,474 : 2,147 = 2,147 : x - Step 2: Convert to fraction form
1,474/2,147 = 2,147/x - Step 3: Cross multiply
1,474x = 2,147 × 2,147 - Step 4: Simplify right side
1,474x = 4,609,609 - Step 5: Solve for x
x = 4,609,609/1,474 - Step 6: Final answer
x = 3,127.28
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.