Finding the Third Proportional to 7,881.75 and 14,244.75
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Solution
The third proportional to 7,881.75 and 14,244.75 is: 25,744.65
Step by Step Solution
- Step 1: Write the proportion equation
7,881.75 : 14,244.75 = 14,244.75 : x - Step 2: Convert to fraction form
7,881.75/14,244.75 = 14,244.75/x - Step 3: Cross multiply
7,881.75x = 14,244.75 × 14,244.75 - Step 4: Simplify right side
7,881.75x = 202,912,902.56 - Step 5: Solve for x
x = 202,912,902.56/7,881.75 - Step 6: Final answer
x = 25,744.65
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Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.