Finding the Third Proportional to 91,218 and 196,020
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Solution
The third proportional to 91,218 and 196,020 is: 421,230.90
Step by Step Solution
- Step 1: Write the proportion equation
91,218 : 196,020 = 196,020 : x - Step 2: Convert to fraction form
91,218/196,020 = 196,020/x - Step 3: Cross multiply
91,218x = 196,020 × 196,020 - Step 4: Simplify right side
91,218x = 38,423,840,400 - Step 5: Solve for x
x = 38,423,840,400/91,218 - Step 6: Final answer
x = 421,230.90
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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.