Finding the Third Proportional to 728,268 and 1,491,520
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Solution
The third proportional to 728,268 and 1,491,520 is: 3,054,688.54
Step by Step Solution
- Step 1: Write the proportion equation
728,268 : 1,491,520 = 1,491,520 : x - Step 2: Convert to fraction form
728,268/1,491,520 = 1,491,520/x - Step 3: Cross multiply
728,268x = 1,491,520 × 1,491,520 - Step 4: Simplify right side
728,268x = 2,224,631,910,400 - Step 5: Solve for x
x = 2,224,631,910,400/728,268 - Step 6: Final answer
x = 3,054,688.54
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.