Finding the Third Proportional to 1,279.97 and 2,778.05
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Solution
The third proportional to 1,279.97 and 2,778.05 is: 6,029.48
Step by Step Solution
- Step 1: Write the proportion equation
1,279.97 : 2,778.05 = 2,778.05 : x - Step 2: Convert to fraction form
1,279.97/2,778.05 = 2,778.05/x - Step 3: Cross multiply
1,279.97x = 2,778.05 × 2,778.05 - Step 4: Simplify right side
1,279.97x = 7,717,544.44 - Step 5: Solve for x
x = 7,717,544.44/1,279.97 - Step 6: Final answer
x = 6,029.48
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.