Finding the Third Proportional to 655.50 and 1,173
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Solution
The third proportional to 655.50 and 1,173 is: 2,099.05
Step by Step Solution
- Step 1: Write the proportion equation
655.50 : 1,173 = 1,173 : x - Step 2: Convert to fraction form
655.50/1,173 = 1,173/x - Step 3: Cross multiply
655.50x = 1,173 × 1,173 - Step 4: Simplify right side
655.50x = 1,375,929 - Step 5: Solve for x
x = 1,375,929/655.50 - Step 6: Final answer
x = 2,099.05
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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.