Finding the Third Proportional to 19,707.75 and 27,717.75
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Solution
The third proportional to 19,707.75 and 27,717.75 is: 38,983.33
Step by Step Solution
- Step 1: Write the proportion equation
19,707.75 : 27,717.75 = 27,717.75 : x - Step 2: Convert to fraction form
19,707.75/27,717.75 = 27,717.75/x - Step 3: Cross multiply
19,707.75x = 27,717.75 × 27,717.75 - Step 4: Simplify right side
19,707.75x = 768,273,665.06 - Step 5: Solve for x
x = 768,273,665.06/19,707.75 - Step 6: Final answer
x = 38,983.33
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.