Finding the Third Proportional to 696,890 and 981,393
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Solution
The third proportional to 696,890 and 981,393 is: 1,382,043.39
Step by Step Solution
- Step 1: Write the proportion equation
696,890 : 981,393 = 981,393 : x - Step 2: Convert to fraction form
696,890/981,393 = 981,393/x - Step 3: Cross multiply
696,890x = 981,393 × 981,393 - Step 4: Simplify right side
696,890x = 963,132,220,449 - Step 5: Solve for x
x = 963,132,220,449/696,890 - Step 6: Final answer
x = 1,382,043.39
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.