Finding the Third Proportional to 3,121.73 and 6,687.70
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Solution
The third proportional to 3,121.73 and 6,687.70 is: 14,327.09
Step by Step Solution
- Step 1: Write the proportion equation
3,121.73 : 6,687.70 = 6,687.70 : x - Step 2: Convert to fraction form
3,121.73/6,687.70 = 6,687.70/x - Step 3: Cross multiply
3,121.73x = 6,687.70 × 6,687.70 - Step 4: Simplify right side
3,121.73x = 44,725,373.09 - Step 5: Solve for x
x = 44,725,373.09/3,121.73 - Step 6: Final answer
x = 14,327.09
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.