Finding the Third Proportional to 74,900 and 160,816
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Solution
The third proportional to 74,900 and 160,816 is: 345,284.19
Step by Step Solution
- Step 1: Write the proportion equation
74,900 : 160,816 = 160,816 : x - Step 2: Convert to fraction form
74,900/160,816 = 160,816/x - Step 3: Cross multiply
74,900x = 160,816 × 160,816 - Step 4: Simplify right side
74,900x = 25,861,785,856 - Step 5: Solve for x
x = 25,861,785,856/74,900 - Step 6: Final answer
x = 345,284.19
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.