Finding the Third Proportional to 4,112 and 5,656
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Solution
The third proportional to 4,112 and 5,656 is: 7,779.75
Step by Step Solution
- Step 1: Write the proportion equation
4,112 : 5,656 = 5,656 : x - Step 2: Convert to fraction form
4,112/5,656 = 5,656/x - Step 3: Cross multiply
4,112x = 5,656 × 5,656 - Step 4: Simplify right side
4,112x = 31,990,336 - Step 5: Solve for x
x = 31,990,336/4,112 - Step 6: Final answer
x = 7,779.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.