Finding the Third Proportional to 18,170 and 28,146
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Solution
The third proportional to 18,170 and 28,146 is: 43,599.19
Step by Step Solution
- Step 1: Write the proportion equation
18,170 : 28,146 = 28,146 : x - Step 2: Convert to fraction form
18,170/28,146 = 28,146/x - Step 3: Cross multiply
18,170x = 28,146 × 28,146 - Step 4: Simplify right side
18,170x = 792,197,316 - Step 5: Solve for x
x = 792,197,316/18,170 - Step 6: Final answer
x = 43,599.19
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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.