Finding the Third Proportional to 138,940 and 215,274
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Solution
The third proportional to 138,940 and 215,274 is: 333,546.10
Step by Step Solution
- Step 1: Write the proportion equation
138,940 : 215,274 = 215,274 : x - Step 2: Convert to fraction form
138,940/215,274 = 215,274/x - Step 3: Cross multiply
138,940x = 215,274 × 215,274 - Step 4: Simplify right side
138,940x = 46,342,895,076 - Step 5: Solve for x
x = 46,342,895,076/138,940 - Step 6: Final answer
x = 333,546.10
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.