Finding the Third Proportional to 4,187.81 and 8,861.63
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Solution
The third proportional to 4,187.81 and 8,861.63 is: 18,751.65
Step by Step Solution
- Step 1: Write the proportion equation
4,187.81 : 8,861.63 = 8,861.63 : x - Step 2: Convert to fraction form
4,187.81/8,861.63 = 8,861.63/x - Step 3: Cross multiply
4,187.81x = 8,861.63 × 8,861.63 - Step 4: Simplify right side
4,187.81x = 78,528,397.64 - Step 5: Solve for x
x = 78,528,397.64/4,187.81 - Step 6: Final answer
x = 18,751.65
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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.