Finding the Third Proportional to 18,812.25 and 27,656.44
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Solution
The third proportional to 18,812.25 and 27,656.44 is: 40,658.54
Step by Step Solution
- Step 1: Write the proportion equation
18,812.25 : 27,656.44 = 27,656.44 : x - Step 2: Convert to fraction form
18,812.25/27,656.44 = 27,656.44/x - Step 3: Cross multiply
18,812.25x = 27,656.44 × 27,656.44 - Step 4: Simplify right side
18,812.25x = 764,878,535.19 - Step 5: Solve for x
x = 764,878,535.19/18,812.25 - Step 6: Final answer
x = 40,658.54
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.