Finding the Third Proportional to 394,987.50 and 564,441.75
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Solution
The third proportional to 394,987.50 and 564,441.75 is: 806,593.85
Step by Step Solution
- Step 1: Write the proportion equation
394,987.50 : 564,441.75 = 564,441.75 : x - Step 2: Convert to fraction form
394,987.50/564,441.75 = 564,441.75/x - Step 3: Cross multiply
394,987.50x = 564,441.75 × 564,441.75 - Step 4: Simplify right side
394,987.50x = 318,594,489,143.06 - Step 5: Solve for x
x = 318,594,489,143.06/394,987.50 - Step 6: Final answer
x = 806,593.85
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.