Finding the Third Proportional to 1,331.44 and 2,769.19
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Solution
The third proportional to 1,331.44 and 2,769.19 is: 5,759.49
Step by Step Solution
- Step 1: Write the proportion equation
1,331.44 : 2,769.19 = 2,769.19 : x - Step 2: Convert to fraction form
1,331.44/2,769.19 = 2,769.19/x - Step 3: Cross multiply
1,331.44x = 2,769.19 × 2,769.19 - Step 4: Simplify right side
1,331.44x = 7,668,399.41 - Step 5: Solve for x
x = 7,668,399.41/1,331.44 - Step 6: Final answer
x = 5,759.49
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.