Finding the Third Proportional to 782,509.50 and 1,668,357
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Solution
The third proportional to 782,509.50 and 1,668,357 is: 3,557,036.79
Step by Step Solution
- Step 1: Write the proportion equation
782,509.50 : 1,668,357 = 1,668,357 : x - Step 2: Convert to fraction form
782,509.50/1,668,357 = 1,668,357/x - Step 3: Cross multiply
782,509.50x = 1,668,357 × 1,668,357 - Step 4: Simplify right side
782,509.50x = 2,783,415,079,449 - Step 5: Solve for x
x = 2,783,415,079,449/782,509.50 - Step 6: Final answer
x = 3,557,036.79
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.