Finding the Third Proportional to 91,992.25 and 189,861.75
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Solution
The third proportional to 91,992.25 and 189,861.75 is: 391,853.49
Step by Step Solution
- Step 1: Write the proportion equation
91,992.25 : 189,861.75 = 189,861.75 : x - Step 2: Convert to fraction form
91,992.25/189,861.75 = 189,861.75/x - Step 3: Cross multiply
91,992.25x = 189,861.75 × 189,861.75 - Step 4: Simplify right side
91,992.25x = 36,047,484,113.06 - Step 5: Solve for x
x = 36,047,484,113.06/91,992.25 - Step 6: Final answer
x = 391,853.49
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.