Finding the Third Proportional to 18,971.91 and 27,843.19
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Solution
The third proportional to 18,971.91 and 27,843.19 is: 40,862.69
Step by Step Solution
- Step 1: Write the proportion equation
18,971.91 : 27,843.19 = 27,843.19 : x - Step 2: Convert to fraction form
18,971.91/27,843.19 = 27,843.19/x - Step 3: Cross multiply
18,971.91x = 27,843.19 × 27,843.19 - Step 4: Simplify right side
18,971.91x = 775,243,090.16 - Step 5: Solve for x
x = 775,243,090.16/18,971.91 - Step 6: Final answer
x = 40,862.69
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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.