Finding the Third Proportional to 128,077.88 and 191,076.75
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Solution
The third proportional to 128,077.88 and 191,076.75 is: 285,063.48
Step by Step Solution
- Step 1: Write the proportion equation
128,077.88 : 191,076.75 = 191,076.75 : x - Step 2: Convert to fraction form
128,077.88/191,076.75 = 191,076.75/x - Step 3: Cross multiply
128,077.88x = 191,076.75 × 191,076.75 - Step 4: Simplify right side
128,077.88x = 36,510,324,390.56 - Step 5: Solve for x
x = 36,510,324,390.56/128,077.88 - Step 6: Final answer
x = 285,063.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.