Finding the Third Proportional to 138,639.94 and 283,847.63
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Solution
The third proportional to 138,639.94 and 283,847.63 is: 581,141.88
Step by Step Solution
- Step 1: Write the proportion equation
138,639.94 : 283,847.63 = 283,847.63 : x - Step 2: Convert to fraction form
138,639.94/283,847.63 = 283,847.63/x - Step 3: Cross multiply
138,639.94x = 283,847.63 × 283,847.63 - Step 4: Simplify right side
138,639.94x = 80,569,474,218.14 - Step 5: Solve for x
x = 80,569,474,218.14/138,639.94 - Step 6: Final answer
x = 581,141.88
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.