Finding the Third Proportional to 326 and 712.75
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Solution
The third proportional to 326 and 712.75 is: 1,558.32
Step by Step Solution
- Step 1: Write the proportion equation
326 : 712.75 = 712.75 : x - Step 2: Convert to fraction form
326/712.75 = 712.75/x - Step 3: Cross multiply
326x = 712.75 × 712.75 - Step 4: Simplify right side
326x = 508,012.56 - Step 5: Solve for x
x = 508,012.56/326 - Step 6: Final answer
x = 1,558.32
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.