Finding the Third Proportional to 60,705.75 and 128,808.75
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Solution
The third proportional to 60,705.75 and 128,808.75 is: 273,313.39
Step by Step Solution
- Step 1: Write the proportion equation
60,705.75 : 128,808.75 = 128,808.75 : x - Step 2: Convert to fraction form
60,705.75/128,808.75 = 128,808.75/x - Step 3: Cross multiply
60,705.75x = 128,808.75 × 128,808.75 - Step 4: Simplify right side
60,705.75x = 16,591,694,076.56 - Step 5: Solve for x
x = 16,591,694,076.56/60,705.75 - Step 6: Final answer
x = 273,313.39
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.