Finding the Third Proportional to 87,890 and 136,204
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Solution
The third proportional to 87,890 and 136,204 is: 211,076.68
Step by Step Solution
- Step 1: Write the proportion equation
87,890 : 136,204 = 136,204 : x - Step 2: Convert to fraction form
87,890/136,204 = 136,204/x - Step 3: Cross multiply
87,890x = 136,204 × 136,204 - Step 4: Simplify right side
87,890x = 18,551,529,616 - Step 5: Solve for x
x = 18,551,529,616/87,890 - Step 6: Final answer
x = 211,076.68
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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.