Finding the Third Proportional to 8,931.25 and 20,201.75
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Solution
The third proportional to 8,931.25 and 20,201.75 is: 45,694.69
Step by Step Solution
- Step 1: Write the proportion equation
8,931.25 : 20,201.75 = 20,201.75 : x - Step 2: Convert to fraction form
8,931.25/20,201.75 = 20,201.75/x - Step 3: Cross multiply
8,931.25x = 20,201.75 × 20,201.75 - Step 4: Simplify right side
8,931.25x = 408,110,703.06 - Step 5: Solve for x
x = 408,110,703.06/8,931.25 - Step 6: Final answer
x = 45,694.69
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Why These Related Problems?
These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.