Finding the Third Proportional to 87,512 and 191,792
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Solution
The third proportional to 87,512 and 191,792 is: 420,332.88
Step by Step Solution
- Step 1: Write the proportion equation
87,512 : 191,792 = 191,792 : x - Step 2: Convert to fraction form
87,512/191,792 = 191,792/x - Step 3: Cross multiply
87,512x = 191,792 × 191,792 - Step 4: Simplify right side
87,512x = 36,784,171,264 - Step 5: Solve for x
x = 36,784,171,264/87,512 - Step 6: Final answer
x = 420,332.88
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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.