Finding the Third Proportional to 82,000 and 123,000
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Solution
The third proportional to 82,000 and 123,000 is: 184,500
Step by Step Solution
- Step 1: Write the proportion equation
82,000 : 123,000 = 123,000 : x - Step 2: Convert to fraction form
82,000/123,000 = 123,000/x - Step 3: Cross multiply
82,000x = 123,000 × 123,000 - Step 4: Simplify right side
82,000x = 15,129,000,000 - Step 5: Solve for x
x = 15,129,000,000/82,000 - Step 6: Final answer
x = 184,500
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.