Finding the Third Proportional to 8,542.13 and 11,328.19
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Solution
The third proportional to 8,542.13 and 11,328.19 is: 15,022.94
Step by Step Solution
- Step 1: Write the proportion equation
8,542.13 : 11,328.19 = 11,328.19 : x - Step 2: Convert to fraction form
8,542.13/11,328.19 = 11,328.19/x - Step 3: Cross multiply
8,542.13x = 11,328.19 × 11,328.19 - Step 4: Simplify right side
8,542.13x = 128,327,832.04 - Step 5: Solve for x
x = 128,327,832.04/8,542.13 - Step 6: Final answer
x = 15,022.94
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.