Finding the Third Proportional to 394,528.50 and 862,861.50
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Solution
The third proportional to 394,528.50 and 862,861.50 is: 1,887,138.62
Step by Step Solution
- Step 1: Write the proportion equation
394,528.50 : 862,861.50 = 862,861.50 : x - Step 2: Convert to fraction form
394,528.50/862,861.50 = 862,861.50/x - Step 3: Cross multiply
394,528.50x = 862,861.50 × 862,861.50 - Step 4: Simplify right side
394,528.50x = 744,529,968,182.25 - Step 5: Solve for x
x = 744,529,968,182.25/394,528.50 - Step 6: Final answer
x = 1,887,138.62
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.