Finding the Third Proportional to 1,530 and 2,079
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Solution
The third proportional to 1,530 and 2,079 is: 2,824.99
Step by Step Solution
- Step 1: Write the proportion equation
1,530 : 2,079 = 2,079 : x - Step 2: Convert to fraction form
1,530/2,079 = 2,079/x - Step 3: Cross multiply
1,530x = 2,079 × 2,079 - Step 4: Simplify right side
1,530x = 4,322,241 - Step 5: Solve for x
x = 4,322,241/1,530 - Step 6: Final answer
x = 2,824.99
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.