Finding the Third Proportional to 191,808 and 421,686
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Solution
The third proportional to 191,808 and 421,686 is: 927,068.12
Step by Step Solution
- Step 1: Write the proportion equation
191,808 : 421,686 = 421,686 : x - Step 2: Convert to fraction form
191,808/421,686 = 421,686/x - Step 3: Cross multiply
191,808x = 421,686 × 421,686 - Step 4: Simplify right side
191,808x = 177,819,082,596 - Step 5: Solve for x
x = 177,819,082,596/191,808 - Step 6: Final answer
x = 927,068.12
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.