Finding the Third Proportional to 381,219 and 814,791
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Solution
The third proportional to 381,219 and 814,791 is: 1,741,477.66
Step by Step Solution
- Step 1: Write the proportion equation
381,219 : 814,791 = 814,791 : x - Step 2: Convert to fraction form
381,219/814,791 = 814,791/x - Step 3: Cross multiply
381,219x = 814,791 × 814,791 - Step 4: Simplify right side
381,219x = 663,884,373,681 - Step 5: Solve for x
x = 663,884,373,681/381,219 - Step 6: Final answer
x = 1,741,477.66
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.