Finding the Third Proportional to 82,861.50 and 129,621.75
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Solution
The third proportional to 82,861.50 and 129,621.75 is: 202,769.66
Step by Step Solution
- Step 1: Write the proportion equation
82,861.50 : 129,621.75 = 129,621.75 : x - Step 2: Convert to fraction form
82,861.50/129,621.75 = 129,621.75/x - Step 3: Cross multiply
82,861.50x = 129,621.75 × 129,621.75 - Step 4: Simplify right side
82,861.50x = 16,801,798,073.06 - Step 5: Solve for x
x = 16,801,798,073.06/82,861.50 - Step 6: Final answer
x = 202,769.66
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.