Finding the Third Proportional to 2,850.75 and 4,379.63
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Solution
The third proportional to 2,850.75 and 4,379.63 is: 6,728.45
Step by Step Solution
- Step 1: Write the proportion equation
2,850.75 : 4,379.63 = 4,379.63 : x - Step 2: Convert to fraction form
2,850.75/4,379.63 = 4,379.63/x - Step 3: Cross multiply
2,850.75x = 4,379.63 × 4,379.63 - Step 4: Simplify right side
2,850.75x = 19,181,115.14 - Step 5: Solve for x
x = 19,181,115.14/2,850.75 - Step 6: Final answer
x = 6,728.45
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.