Finding the Third Proportional to 393,729.19 and 863,728.31
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Solution
The third proportional to 393,729.19 and 863,728.31 is: 1,894,770.88
Step by Step Solution
- Step 1: Write the proportion equation
393,729.19 : 863,728.31 = 863,728.31 : x - Step 2: Convert to fraction form
393,729.19/863,728.31 = 863,728.31/x - Step 3: Cross multiply
393,729.19x = 863,728.31 × 863,728.31 - Step 4: Simplify right side
393,729.19x = 746,026,597,814.10 - Step 5: Solve for x
x = 746,026,597,814.10/393,729.19 - Step 6: Final answer
x = 1,894,770.88
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.