Finding the Third Proportional to 107.50 and 168.50
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Solution
The third proportional to 107.50 and 168.50 is: 264.11
Step by Step Solution
- Step 1: Write the proportion equation
107.50 : 168.50 = 168.50 : x - Step 2: Convert to fraction form
107.50/168.50 = 168.50/x - Step 3: Cross multiply
107.50x = 168.50 × 168.50 - Step 4: Simplify right side
107.50x = 28,392.25 - Step 5: Solve for x
x = 28,392.25/107.50 - Step 6: Final answer
x = 264.11
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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.