Finding the Third Proportional to 2,922.19 and 4,536.84
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Solution
The third proportional to 2,922.19 and 4,536.84 is: 7,043.68
Step by Step Solution
- Step 1: Write the proportion equation
2,922.19 : 4,536.84 = 4,536.84 : x - Step 2: Convert to fraction form
2,922.19/4,536.84 = 4,536.84/x - Step 3: Cross multiply
2,922.19x = 4,536.84 × 4,536.84 - Step 4: Simplify right side
2,922.19x = 20,582,951.21 - Step 5: Solve for x
x = 20,582,951.21/2,922.19 - Step 6: Final answer
x = 7,043.68
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.