Finding the Third Proportional to 3,213.63 and 6,516.75
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Solution
The third proportional to 3,213.63 and 6,516.75 is: 13,214.99
Step by Step Solution
- Step 1: Write the proportion equation
3,213.63 : 6,516.75 = 6,516.75 : x - Step 2: Convert to fraction form
3,213.63/6,516.75 = 6,516.75/x - Step 3: Cross multiply
3,213.63x = 6,516.75 × 6,516.75 - Step 4: Simplify right side
3,213.63x = 42,468,030.56 - Step 5: Solve for x
x = 42,468,030.56/3,213.63 - Step 6: Final answer
x = 13,214.99
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.