Finding the Third Proportional to 7,279.88 and 15,648.19
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Solution
The third proportional to 7,279.88 and 15,648.19 is: 33,635.99
Step by Step Solution
- Step 1: Write the proportion equation
7,279.88 : 15,648.19 = 15,648.19 : x - Step 2: Convert to fraction form
7,279.88/15,648.19 = 15,648.19/x - Step 3: Cross multiply
7,279.88x = 15,648.19 × 15,648.19 - Step 4: Simplify right side
7,279.88x = 244,865,772.04 - Step 5: Solve for x
x = 244,865,772.04/7,279.88 - Step 6: Final answer
x = 33,635.99
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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.