Finding the Third Proportional to 455,718 and 981,474
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Solution
The third proportional to 455,718 and 981,474 is: 2,113,787.94
Step by Step Solution
- Step 1: Write the proportion equation
455,718 : 981,474 = 981,474 : x - Step 2: Convert to fraction form
455,718/981,474 = 981,474/x - Step 3: Cross multiply
455,718x = 981,474 × 981,474 - Step 4: Simplify right side
455,718x = 963,291,212,676 - Step 5: Solve for x
x = 963,291,212,676/455,718 - Step 6: Final answer
x = 2,113,787.94
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.