Finding the Third Proportional to 2,553.19 and 3,975.75
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Solution
The third proportional to 2,553.19 and 3,975.75 is: 6,190.92
Step by Step Solution
- Step 1: Write the proportion equation
2,553.19 : 3,975.75 = 3,975.75 : x - Step 2: Convert to fraction form
2,553.19/3,975.75 = 3,975.75/x - Step 3: Cross multiply
2,553.19x = 3,975.75 × 3,975.75 - Step 4: Simplify right side
2,553.19x = 15,806,588.06 - Step 5: Solve for x
x = 15,806,588.06/2,553.19 - Step 6: Final answer
x = 6,190.92
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.