Finding the Third Proportional to 72,380 and 157,936
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Solution
The third proportional to 72,380 and 157,936 is: 344,622.55
Step by Step Solution
- Step 1: Write the proportion equation
72,380 : 157,936 = 157,936 : x - Step 2: Convert to fraction form
72,380/157,936 = 157,936/x - Step 3: Cross multiply
72,380x = 157,936 × 157,936 - Step 4: Simplify right side
72,380x = 24,943,780,096 - Step 5: Solve for x
x = 24,943,780,096/72,380 - Step 6: Final answer
x = 344,622.55
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.