Finding the Third Proportional to 217,321.88 and 332,439.75
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Solution
The third proportional to 217,321.88 and 332,439.75 is: 508,536.88
Step by Step Solution
- Step 1: Write the proportion equation
217,321.88 : 332,439.75 = 332,439.75 : x - Step 2: Convert to fraction form
217,321.88/332,439.75 = 332,439.75/x - Step 3: Cross multiply
217,321.88x = 332,439.75 × 332,439.75 - Step 4: Simplify right side
217,321.88x = 110,516,187,380.06 - Step 5: Solve for x
x = 110,516,187,380.06/217,321.88 - Step 6: Final answer
x = 508,536.88
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.