Finding the Third Proportional to 84,912.19 and 179,938.69
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Solution
The third proportional to 84,912.19 and 179,938.69 is: 381,310.77
Step by Step Solution
- Step 1: Write the proportion equation
84,912.19 : 179,938.69 = 179,938.69 : x - Step 2: Convert to fraction form
84,912.19/179,938.69 = 179,938.69/x - Step 3: Cross multiply
84,912.19x = 179,938.69 × 179,938.69 - Step 4: Simplify right side
84,912.19x = 32,377,931,259.22 - Step 5: Solve for x
x = 32,377,931,259.22/84,912.19 - Step 6: Final answer
x = 381,310.77
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.