Finding the Third Proportional to 2,912.63 and 3,741.19
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Solution
The third proportional to 2,912.63 and 3,741.19 is: 4,805.45
Step by Step Solution
- Step 1: Write the proportion equation
2,912.63 : 3,741.19 = 3,741.19 : x - Step 2: Convert to fraction form
2,912.63/3,741.19 = 3,741.19/x - Step 3: Cross multiply
2,912.63x = 3,741.19 × 3,741.19 - Step 4: Simplify right side
2,912.63x = 13,996,483.91 - Step 5: Solve for x
x = 13,996,483.91/2,912.63 - Step 6: Final answer
x = 4,805.45
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Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.