Finding the Third Proportional to 728,491 and 1,102,898
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Solution
The third proportional to 728,491 and 1,102,898 is: 1,669,730.99
Step by Step Solution
- Step 1: Write the proportion equation
728,491 : 1,102,898 = 1,102,898 : x - Step 2: Convert to fraction form
728,491/1,102,898 = 1,102,898/x - Step 3: Cross multiply
728,491x = 1,102,898 × 1,102,898 - Step 4: Simplify right side
728,491x = 1,216,383,998,404 - Step 5: Solve for x
x = 1,216,383,998,404/728,491 - Step 6: Final answer
x = 1,669,730.99
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.