Finding the Third Proportional to 21,500 and 30,448
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Solution
The third proportional to 21,500 and 30,448 is: 43,120.03
Step by Step Solution
- Step 1: Write the proportion equation
21,500 : 30,448 = 30,448 : x - Step 2: Convert to fraction form
21,500/30,448 = 30,448/x - Step 3: Cross multiply
21,500x = 30,448 × 30,448 - Step 4: Simplify right side
21,500x = 927,080,704 - Step 5: Solve for x
x = 927,080,704/21,500 - Step 6: Final answer
x = 43,120.03
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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.