Finding the Third Proportional to 981,184 and 2,172,212
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Solution
The third proportional to 981,184 and 2,172,212 is: 4,808,990.95
Step by Step Solution
- Step 1: Write the proportion equation
981,184 : 2,172,212 = 2,172,212 : x - Step 2: Convert to fraction form
981,184/2,172,212 = 2,172,212/x - Step 3: Cross multiply
981,184x = 2,172,212 × 2,172,212 - Step 4: Simplify right side
981,184x = 4,718,504,972,944 - Step 5: Solve for x
x = 4,718,504,972,944/981,184 - Step 6: Final answer
x = 4,808,990.95
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.