Finding the Third Proportional to 135,128.25 and 212,091.75
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Solution
The third proportional to 135,128.25 and 212,091.75 is: 332,890.50
Step by Step Solution
- Step 1: Write the proportion equation
135,128.25 : 212,091.75 = 212,091.75 : x - Step 2: Convert to fraction form
135,128.25/212,091.75 = 212,091.75/x - Step 3: Cross multiply
135,128.25x = 212,091.75 × 212,091.75 - Step 4: Simplify right side
135,128.25x = 44,982,910,418.06 - Step 5: Solve for x
x = 44,982,910,418.06/135,128.25 - Step 6: Final answer
x = 332,890.50
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.