Finding the Third Proportional to 122,072 and 188,638
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Solution
The third proportional to 122,072 and 188,638 is: 291,502.52
Step by Step Solution
- Step 1: Write the proportion equation
122,072 : 188,638 = 188,638 : x - Step 2: Convert to fraction form
122,072/188,638 = 188,638/x - Step 3: Cross multiply
122,072x = 188,638 × 188,638 - Step 4: Simplify right side
122,072x = 35,584,295,044 - Step 5: Solve for x
x = 35,584,295,044/122,072 - Step 6: Final answer
x = 291,502.52
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.