Finding the Third Proportional to 82.93 and 121.99
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Solution
The third proportional to 82.93 and 121.99 is: 179.45
Step by Step Solution
- Step 1: Write the proportion equation
82.93 : 121.99 = 121.99 : x - Step 2: Convert to fraction form
82.93/121.99 = 121.99/x - Step 3: Cross multiply
82.93x = 121.99 × 121.99 - Step 4: Simplify right side
82.93x = 14,882.09 - Step 5: Solve for x
x = 14,882.09/82.93 - Step 6: Final answer
x = 179.45
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.