Finding the Third Proportional to 18,132.75 and 27,735.75
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Solution
The third proportional to 18,132.75 and 27,735.75 is: 42,424.44
Step by Step Solution
- Step 1: Write the proportion equation
18,132.75 : 27,735.75 = 27,735.75 : x - Step 2: Convert to fraction form
18,132.75/27,735.75 = 27,735.75/x - Step 3: Cross multiply
18,132.75x = 27,735.75 × 27,735.75 - Step 4: Simplify right side
18,132.75x = 769,271,828.06 - Step 5: Solve for x
x = 769,271,828.06/18,132.75 - Step 6: Final answer
x = 42,424.44
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.