Finding the Third Proportional to 129,165.75 and 273,696.75
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Solution
The third proportional to 129,165.75 and 273,696.75 is: 579,951.81
Step by Step Solution
- Step 1: Write the proportion equation
129,165.75 : 273,696.75 = 273,696.75 : x - Step 2: Convert to fraction form
129,165.75/273,696.75 = 273,696.75/x - Step 3: Cross multiply
129,165.75x = 273,696.75 × 273,696.75 - Step 4: Simplify right side
129,165.75x = 74,909,910,960.56 - Step 5: Solve for x
x = 74,909,910,960.56/129,165.75 - Step 6: Final answer
x = 579,951.81
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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.