Finding the Third Proportional to 128,110.36 and 187,227.70
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Solution
The third proportional to 128,110.36 and 187,227.70 is: 273,625.12
Step by Step Solution
- Step 1: Write the proportion equation
128,110.36 : 187,227.70 = 187,227.70 : x - Step 2: Convert to fraction form
128,110.36/187,227.70 = 187,227.70/x - Step 3: Cross multiply
128,110.36x = 187,227.70 × 187,227.70 - Step 4: Simplify right side
128,110.36x = 35,054,212,817.46 - Step 5: Solve for x
x = 35,054,212,817.46/128,110.36 - Step 6: Final answer
x = 273,625.12
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.