Finding the Third Proportional to 2,879.63 and 4,512.19
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Solution
The third proportional to 2,879.63 and 4,512.19 is: 7,070.31
Step by Step Solution
- Step 1: Write the proportion equation
2,879.63 : 4,512.19 = 4,512.19 : x - Step 2: Convert to fraction form
2,879.63/4,512.19 = 4,512.19/x - Step 3: Cross multiply
2,879.63x = 4,512.19 × 4,512.19 - Step 4: Simplify right side
2,879.63x = 20,359,836.04 - Step 5: Solve for x
x = 20,359,836.04/2,879.63 - Step 6: Final answer
x = 7,070.31
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.