Finding the Third Proportional to 138,464.44 and 197,991.84
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Solution
The third proportional to 138,464.44 and 197,991.84 is: 283,110.75
Step by Step Solution
- Step 1: Write the proportion equation
138,464.44 : 197,991.84 = 197,991.84 : x - Step 2: Convert to fraction form
138,464.44/197,991.84 = 197,991.84/x - Step 3: Cross multiply
138,464.44x = 197,991.84 × 197,991.84 - Step 4: Simplify right side
138,464.44x = 39,200,770,191.52 - Step 5: Solve for x
x = 39,200,770,191.52/138,464.44 - Step 6: Final answer
x = 283,110.75
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.