Finding the Third Proportional to 6,615 and 8,019
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Solution
The third proportional to 6,615 and 8,019 is: 9,720.99
Step by Step Solution
- Step 1: Write the proportion equation
6,615 : 8,019 = 8,019 : x - Step 2: Convert to fraction form
6,615/8,019 = 8,019/x - Step 3: Cross multiply
6,615x = 8,019 × 8,019 - Step 4: Simplify right side
6,615x = 64,304,361 - Step 5: Solve for x
x = 64,304,361/6,615 - Step 6: Final answer
x = 9,720.99
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Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.