Finding the Third Proportional to 11,256.19 and 20,769.19
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Solution
The third proportional to 11,256.19 and 20,769.19 is: 38,321.96
Step by Step Solution
- Step 1: Write the proportion equation
11,256.19 : 20,769.19 = 20,769.19 : x - Step 2: Convert to fraction form
11,256.19/20,769.19 = 20,769.19/x - Step 3: Cross multiply
11,256.19x = 20,769.19 × 20,769.19 - Step 4: Simplify right side
11,256.19x = 431,359,149.41 - Step 5: Solve for x
x = 431,359,149.41/11,256.19 - Step 6: Final answer
x = 38,321.96
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.