Finding the Third Proportional to 8,740.13 and 11,211.75
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Solution
The third proportional to 8,740.13 and 11,211.75 is: 14,382.33
Step by Step Solution
- Step 1: Write the proportion equation
8,740.13 : 11,211.75 = 11,211.75 : x - Step 2: Convert to fraction form
8,740.13/11,211.75 = 11,211.75/x - Step 3: Cross multiply
8,740.13x = 11,211.75 × 11,211.75 - Step 4: Simplify right side
8,740.13x = 125,703,338.06 - Step 5: Solve for x
x = 125,703,338.06/8,740.13 - Step 6: Final answer
x = 14,382.33
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Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.