Finding the Third Proportional to 3,556.13 and 7,638.75
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Solution
The third proportional to 3,556.13 and 7,638.75 is: 16,408.45
Step by Step Solution
- Step 1: Write the proportion equation
3,556.13 : 7,638.75 = 7,638.75 : x - Step 2: Convert to fraction form
3,556.13/7,638.75 = 7,638.75/x - Step 3: Cross multiply
3,556.13x = 7,638.75 × 7,638.75 - Step 4: Simplify right side
3,556.13x = 58,350,501.56 - Step 5: Solve for x
x = 58,350,501.56/3,556.13 - Step 6: Final answer
x = 16,408.45
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.