Finding the Third Proportional to 8,817.09 and 11,961.28
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Solution
The third proportional to 8,817.09 and 11,961.28 is: 16,226.69
Step by Step Solution
- Step 1: Write the proportion equation
8,817.09 : 11,961.28 = 11,961.28 : x - Step 2: Convert to fraction form
8,817.09/11,961.28 = 11,961.28/x - Step 3: Cross multiply
8,817.09x = 11,961.28 × 11,961.28 - Step 4: Simplify right side
8,817.09x = 143,072,249.14 - Step 5: Solve for x
x = 143,072,249.14/8,817.09 - Step 6: Final answer
x = 16,226.69
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.