Finding the Third Proportional to 109.69 and 167.44
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Solution
The third proportional to 109.69 and 167.44 is: 255.59
Step by Step Solution
- Step 1: Write the proportion equation
109.69 : 167.44 = 167.44 : x - Step 2: Convert to fraction form
109.69/167.44 = 167.44/x - Step 3: Cross multiply
109.69x = 167.44 × 167.44 - Step 4: Simplify right side
109.69x = 28,035.32 - Step 5: Solve for x
x = 28,035.32/109.69 - Step 6: Final answer
x = 255.59
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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.