Finding the Third Proportional to 71,600 and 155,000
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Solution
The third proportional to 71,600 and 155,000 is: 335,544.69
Step by Step Solution
- Step 1: Write the proportion equation
71,600 : 155,000 = 155,000 : x - Step 2: Convert to fraction form
71,600/155,000 = 155,000/x - Step 3: Cross multiply
71,600x = 155,000 × 155,000 - Step 4: Simplify right side
71,600x = 24,025,000,000 - Step 5: Solve for x
x = 24,025,000,000/71,600 - Step 6: Final answer
x = 335,544.69
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.