Finding the Third Proportional to 7,629.75 and 11,664.75
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Solution
The third proportional to 7,629.75 and 11,664.75 is: 17,833.66
Step by Step Solution
- Step 1: Write the proportion equation
7,629.75 : 11,664.75 = 11,664.75 : x - Step 2: Convert to fraction form
7,629.75/11,664.75 = 11,664.75/x - Step 3: Cross multiply
7,629.75x = 11,664.75 × 11,664.75 - Step 4: Simplify right side
7,629.75x = 136,066,392.56 - Step 5: Solve for x
x = 136,066,392.56/7,629.75 - Step 6: Final answer
x = 17,833.66
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.