Finding the Third Proportional to 4,731.75 and 7,953.19
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Solution
The third proportional to 4,731.75 and 7,953.19 is: 13,367.82
Step by Step Solution
- Step 1: Write the proportion equation
4,731.75 : 7,953.19 = 7,953.19 : x - Step 2: Convert to fraction form
4,731.75/7,953.19 = 7,953.19/x - Step 3: Cross multiply
4,731.75x = 7,953.19 × 7,953.19 - Step 4: Simplify right side
4,731.75x = 63,253,191.41 - Step 5: Solve for x
x = 63,253,191.41/4,731.75 - Step 6: Final answer
x = 13,367.82
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Why These Related Problems?
These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.