Finding the Third Proportional to 20,448 and 28,950
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Solution
The third proportional to 20,448 and 28,950 is: 40,987.02
Step by Step Solution
- Step 1: Write the proportion equation
20,448 : 28,950 = 28,950 : x - Step 2: Convert to fraction form
20,448/28,950 = 28,950/x - Step 3: Cross multiply
20,448x = 28,950 × 28,950 - Step 4: Simplify right side
20,448x = 838,102,500 - Step 5: Solve for x
x = 838,102,500/20,448 - Step 6: Final answer
x = 40,987.02
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.