Finding the Third Proportional to 4,331.53 and 6,720.19
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Solution
The third proportional to 4,331.53 and 6,720.19 is: 10,426.09
Step by Step Solution
- Step 1: Write the proportion equation
4,331.53 : 6,720.19 = 6,720.19 : x - Step 2: Convert to fraction form
4,331.53/6,720.19 = 6,720.19/x - Step 3: Cross multiply
4,331.53x = 6,720.19 × 6,720.19 - Step 4: Simplify right side
4,331.53x = 45,160,920.04 - Step 5: Solve for x
x = 45,160,920.04/4,331.53 - Step 6: Final answer
x = 10,426.09
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.