Finding the Third Proportional to 128,276.25 and 275,232.75
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Solution
The third proportional to 128,276.25 and 275,232.75 is: 590,546.31
Step by Step Solution
- Step 1: Write the proportion equation
128,276.25 : 275,232.75 = 275,232.75 : x - Step 2: Convert to fraction form
128,276.25/275,232.75 = 275,232.75/x - Step 3: Cross multiply
128,276.25x = 275,232.75 × 275,232.75 - Step 4: Simplify right side
128,276.25x = 75,753,066,672.56 - Step 5: Solve for x
x = 75,753,066,672.56/128,276.25 - Step 6: Final answer
x = 590,546.31
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.