Finding the Third Proportional to 19,638.75 and 27,765.75
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Solution
The third proportional to 19,638.75 and 27,765.75 is: 39,255.90
Step by Step Solution
- Step 1: Write the proportion equation
19,638.75 : 27,765.75 = 27,765.75 : x - Step 2: Convert to fraction form
19,638.75/27,765.75 = 27,765.75/x - Step 3: Cross multiply
19,638.75x = 27,765.75 × 27,765.75 - Step 4: Simplify right side
19,638.75x = 770,936,873.06 - Step 5: Solve for x
x = 770,936,873.06/19,638.75 - Step 6: Final answer
x = 39,255.90
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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.