Finding the Third Proportional to 909,328 and 1,981,472
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Solution
The third proportional to 909,328 and 1,981,472 is: 4,317,728.35
Step by Step Solution
- Step 1: Write the proportion equation
909,328 : 1,981,472 = 1,981,472 : x - Step 2: Convert to fraction form
909,328/1,981,472 = 1,981,472/x - Step 3: Cross multiply
909,328x = 1,981,472 × 1,981,472 - Step 4: Simplify right side
909,328x = 3,926,231,286,784 - Step 5: Solve for x
x = 3,926,231,286,784/909,328 - Step 6: Final answer
x = 4,317,728.35
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.