Finding the Third Proportional to 10,212.75 and 15,261.75
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Solution
The third proportional to 10,212.75 and 15,261.75 is: 22,806.88
Step by Step Solution
- Step 1: Write the proportion equation
10,212.75 : 15,261.75 = 15,261.75 : x - Step 2: Convert to fraction form
10,212.75/15,261.75 = 15,261.75/x - Step 3: Cross multiply
10,212.75x = 15,261.75 × 15,261.75 - Step 4: Simplify right side
10,212.75x = 232,921,013.06 - Step 5: Solve for x
x = 232,921,013.06/10,212.75 - Step 6: Final answer
x = 22,806.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.