Finding the Third Proportional to 129,205.50 and 273,753.75
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Solution
The third proportional to 129,205.50 and 273,753.75 is: 580,014.90
Step by Step Solution
- Step 1: Write the proportion equation
129,205.50 : 273,753.75 = 273,753.75 : x - Step 2: Convert to fraction form
129,205.50/273,753.75 = 273,753.75/x - Step 3: Cross multiply
129,205.50x = 273,753.75 × 273,753.75 - Step 4: Simplify right side
129,205.50x = 74,941,115,639.06 - Step 5: Solve for x
x = 74,941,115,639.06/129,205.50 - Step 6: Final answer
x = 580,014.90
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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.