Finding the Third Proportional to 216,700 and 287,610
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Solution
The third proportional to 216,700 and 287,610 is: 381,723.64
Step by Step Solution
- Step 1: Write the proportion equation
216,700 : 287,610 = 287,610 : x - Step 2: Convert to fraction form
216,700/287,610 = 287,610/x - Step 3: Cross multiply
216,700x = 287,610 × 287,610 - Step 4: Simplify right side
216,700x = 82,719,512,100 - Step 5: Solve for x
x = 82,719,512,100/216,700 - Step 6: Final answer
x = 381,723.64
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.