Finding the Third Proportional to 981,864 and 2,141,136
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Solution
The third proportional to 981,864 and 2,141,136 is: 4,669,142.95
Step by Step Solution
- Step 1: Write the proportion equation
981,864 : 2,141,136 = 2,141,136 : x - Step 2: Convert to fraction form
981,864/2,141,136 = 2,141,136/x - Step 3: Cross multiply
981,864x = 2,141,136 × 2,141,136 - Step 4: Simplify right side
981,864x = 4,584,463,370,496 - Step 5: Solve for x
x = 4,584,463,370,496/981,864 - Step 6: Final answer
x = 4,669,142.95
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.