Finding the Third Proportional to 657.50 and 1,175
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Solution
The third proportional to 657.50 and 1,175 is: 2,099.81
Step by Step Solution
- Step 1: Write the proportion equation
657.50 : 1,175 = 1,175 : x - Step 2: Convert to fraction form
657.50/1,175 = 1,175/x - Step 3: Cross multiply
657.50x = 1,175 × 1,175 - Step 4: Simplify right side
657.50x = 1,380,625 - Step 5: Solve for x
x = 1,380,625/657.50 - Step 6: Final answer
x = 2,099.81
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Why These Related Problems?
These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.