Finding the Third Proportional to 3,231.14 and 4,989.09
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Solution
The third proportional to 3,231.14 and 4,989.09 is: 7,703.49
Step by Step Solution
- Step 1: Write the proportion equation
3,231.14 : 4,989.09 = 4,989.09 : x - Step 2: Convert to fraction form
3,231.14/4,989.09 = 4,989.09/x - Step 3: Cross multiply
3,231.14x = 4,989.09 × 4,989.09 - Step 4: Simplify right side
3,231.14x = 24,891,056.45 - Step 5: Solve for x
x = 24,891,056.45/3,231.14 - Step 6: Final answer
x = 7,703.49
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.