Finding the Third Proportional to 67,680 and 146,880
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Solution
The third proportional to 67,680 and 146,880 is: 318,760.85
Step by Step Solution
- Step 1: Write the proportion equation
67,680 : 146,880 = 146,880 : x - Step 2: Convert to fraction form
67,680/146,880 = 146,880/x - Step 3: Cross multiply
67,680x = 146,880 × 146,880 - Step 4: Simplify right side
67,680x = 21,573,734,400 - Step 5: Solve for x
x = 21,573,734,400/67,680 - Step 6: Final answer
x = 318,760.85
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.