Finding the Third Proportional to 18,680 and 28,923
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Solution
The third proportional to 18,680 and 28,923 is: 44,782.65
Step by Step Solution
- Step 1: Write the proportion equation
18,680 : 28,923 = 28,923 : x - Step 2: Convert to fraction form
18,680/28,923 = 28,923/x - Step 3: Cross multiply
18,680x = 28,923 × 28,923 - Step 4: Simplify right side
18,680x = 836,539,929 - Step 5: Solve for x
x = 836,539,929/18,680 - Step 6: Final answer
x = 44,782.65
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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.