Finding the Third Proportional to 5,419,690.59 and 7,979,832.70
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Solution
The third proportional to 5,419,690.59 and 7,979,832.70 is: 11,749,329.39
Step by Step Solution
- Step 1: Write the proportion equation
5,419,690.59 : 7,979,832.70 = 7,979,832.70 : x - Step 2: Convert to fraction form
5,419,690.59/7,979,832.70 = 7,979,832.70/x - Step 3: Cross multiply
5,419,690.59x = 7,979,832.70 × 7,979,832.70 - Step 4: Simplify right side
5,419,690.59x = 63,677,729,969,863.24 - Step 5: Solve for x
x = 63,677,729,969,863.24/5,419,690.59 - Step 6: Final answer
x = 11,749,329.39
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.