Finding the Third Proportional to 3,480.19 and 7,302.09
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Solution
The third proportional to 3,480.19 and 7,302.09 is: 15,321.18
Step by Step Solution
- Step 1: Write the proportion equation
3,480.19 : 7,302.09 = 7,302.09 : x - Step 2: Convert to fraction form
3,480.19/7,302.09 = 7,302.09/x - Step 3: Cross multiply
3,480.19x = 7,302.09 × 7,302.09 - Step 4: Simplify right side
3,480.19x = 53,320,573.13 - Step 5: Solve for x
x = 53,320,573.13/3,480.19 - Step 6: Final answer
x = 15,321.18
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.