Finding the Third Proportional to 7,201.13 and 11,201.63
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Solution
The third proportional to 7,201.13 and 11,201.63 is: 17,424.56
Step by Step Solution
- Step 1: Write the proportion equation
7,201.13 : 11,201.63 = 11,201.63 : x - Step 2: Convert to fraction form
7,201.13/11,201.63 = 11,201.63/x - Step 3: Cross multiply
7,201.13x = 11,201.63 × 11,201.63 - Step 4: Simplify right side
7,201.13x = 125,476,402.64 - Step 5: Solve for x
x = 125,476,402.64/7,201.13 - Step 6: Final answer
x = 17,424.56
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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.