Finding the Third Proportional to 394,404.19 and 863,439.75
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Solution
The third proportional to 394,404.19 and 863,439.75 is: 1,890,264.42
Step by Step Solution
- Step 1: Write the proportion equation
394,404.19 : 863,439.75 = 863,439.75 : x - Step 2: Convert to fraction form
394,404.19/863,439.75 = 863,439.75/x - Step 3: Cross multiply
394,404.19x = 863,439.75 × 863,439.75 - Step 4: Simplify right side
394,404.19x = 745,528,201,880.06 - Step 5: Solve for x
x = 745,528,201,880.06/394,404.19 - Step 6: Final answer
x = 1,890,264.42
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.