Finding the Third Proportional to 7,274.25 and 15,243.75
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Solution
The third proportional to 7,274.25 and 15,243.75 is: 31,944.45
Step by Step Solution
- Step 1: Write the proportion equation
7,274.25 : 15,243.75 = 15,243.75 : x - Step 2: Convert to fraction form
7,274.25/15,243.75 = 15,243.75/x - Step 3: Cross multiply
7,274.25x = 15,243.75 × 15,243.75 - Step 4: Simplify right side
7,274.25x = 232,371,914.06 - Step 5: Solve for x
x = 232,371,914.06/7,274.25 - Step 6: Final answer
x = 31,944.45
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.