Finding the Third Proportional to 3,229.24 and 7,124.84
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Solution
The third proportional to 3,229.24 and 7,124.84 is: 15,719.88
Step by Step Solution
- Step 1: Write the proportion equation
3,229.24 : 7,124.84 = 7,124.84 : x - Step 2: Convert to fraction form
3,229.24/7,124.84 = 7,124.84/x - Step 3: Cross multiply
3,229.24x = 7,124.84 × 7,124.84 - Step 4: Simplify right side
3,229.24x = 50,763,287.14 - Step 5: Solve for x
x = 50,763,287.14/3,229.24 - Step 6: Final answer
x = 15,719.88
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.