Finding the Third Proportional to 8,891.81 and 18,878.81
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Solution
The third proportional to 8,891.81 and 18,878.81 is: 40,082.89
Step by Step Solution
- Step 1: Write the proportion equation
8,891.81 : 18,878.81 = 18,878.81 : x - Step 2: Convert to fraction form
8,891.81/18,878.81 = 18,878.81/x - Step 3: Cross multiply
8,891.81x = 18,878.81 × 18,878.81 - Step 4: Simplify right side
8,891.81x = 356,409,561.41 - Step 5: Solve for x
x = 356,409,561.41/8,891.81 - Step 6: Final answer
x = 40,082.89
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.