Finding the Third Proportional to 67,812.19 and 137,469.66
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Solution
The third proportional to 67,812.19 and 137,469.66 is: 278,680.09
Step by Step Solution
- Step 1: Write the proportion equation
67,812.19 : 137,469.66 = 137,469.66 : x - Step 2: Convert to fraction form
67,812.19/137,469.66 = 137,469.66/x - Step 3: Cross multiply
67,812.19x = 137,469.66 × 137,469.66 - Step 4: Simplify right side
67,812.19x = 18,897,906,389.49 - Step 5: Solve for x
x = 18,897,906,389.49/67,812.19 - Step 6: Final answer
x = 278,680.09
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.