Finding the Third Proportional to 677,583 and 990,879.75
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Solution
The third proportional to 677,583 and 990,879.75 is: 1,449,036.77
Step by Step Solution
- Step 1: Write the proportion equation
677,583 : 990,879.75 = 990,879.75 : x - Step 2: Convert to fraction form
677,583/990,879.75 = 990,879.75/x - Step 3: Cross multiply
677,583x = 990,879.75 × 990,879.75 - Step 4: Simplify right side
677,583x = 981,842,678,960.06 - Step 5: Solve for x
x = 981,842,678,960.06/677,583 - Step 6: Final answer
x = 1,449,036.77
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.