Finding the Third Proportional to 18,508.50 and 27,717.19
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Solution
The third proportional to 18,508.50 and 27,717.19 is: 41,507.55
Step by Step Solution
- Step 1: Write the proportion equation
18,508.50 : 27,717.19 = 27,717.19 : x - Step 2: Convert to fraction form
18,508.50/27,717.19 = 27,717.19/x - Step 3: Cross multiply
18,508.50x = 27,717.19 × 27,717.19 - Step 4: Simplify right side
18,508.50x = 768,242,482.91 - Step 5: Solve for x
x = 768,242,482.91/18,508.50 - Step 6: Final answer
x = 41,507.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.