Finding the Third Proportional to 71,623.13 and 108,991.69
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Solution
The third proportional to 71,623.13 and 108,991.69 is: 165,856.88
Step by Step Solution
- Step 1: Write the proportion equation
71,623.13 : 108,991.69 = 108,991.69 : x - Step 2: Convert to fraction form
71,623.13/108,991.69 = 108,991.69/x - Step 3: Cross multiply
71,623.13x = 108,991.69 × 108,991.69 - Step 4: Simplify right side
71,623.13x = 11,879,187,944.10 - Step 5: Solve for x
x = 11,879,187,944.10/71,623.13 - Step 6: Final answer
x = 165,856.88
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.