Finding the Third Proportional to 7,711.50 and 16,719
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Solution
The third proportional to 7,711.50 and 16,719 is: 36,247.81
Step by Step Solution
- Step 1: Write the proportion equation
7,711.50 : 16,719 = 16,719 : x - Step 2: Convert to fraction form
7,711.50/16,719 = 16,719/x - Step 3: Cross multiply
7,711.50x = 16,719 × 16,719 - Step 4: Simplify right side
7,711.50x = 279,524,961 - Step 5: Solve for x
x = 279,524,961/7,711.50 - Step 6: Final answer
x = 36,247.81
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.