Finding the Third Proportional to 393,909.75 and 590,716.13
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Solution
The third proportional to 393,909.75 and 590,716.13 is: 885,851.49
Step by Step Solution
- Step 1: Write the proportion equation
393,909.75 : 590,716.13 = 590,716.13 : x - Step 2: Convert to fraction form
393,909.75/590,716.13 = 590,716.13/x - Step 3: Cross multiply
393,909.75x = 590,716.13 × 590,716.13 - Step 4: Simplify right side
393,909.75x = 348,945,540,335.02 - Step 5: Solve for x
x = 348,945,540,335.02/393,909.75 - Step 6: Final answer
x = 885,851.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.