Finding the Third Proportional to 60,378.75 and 128,553.75
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Solution
The third proportional to 60,378.75 and 128,553.75 is: 273,706.67
Step by Step Solution
- Step 1: Write the proportion equation
60,378.75 : 128,553.75 = 128,553.75 : x - Step 2: Convert to fraction form
60,378.75/128,553.75 = 128,553.75/x - Step 3: Cross multiply
60,378.75x = 128,553.75 × 128,553.75 - Step 4: Simplify right side
60,378.75x = 16,526,066,639.06 - Step 5: Solve for x
x = 16,526,066,639.06/60,378.75 - Step 6: Final answer
x = 273,706.67
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.