Finding the Third Proportional to 189,732 and 396,900
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Solution
The third proportional to 189,732 and 396,900 is: 830,274.33
Step by Step Solution
- Step 1: Write the proportion equation
189,732 : 396,900 = 396,900 : x - Step 2: Convert to fraction form
189,732/396,900 = 396,900/x - Step 3: Cross multiply
189,732x = 396,900 × 396,900 - Step 4: Simplify right side
189,732x = 157,529,610,000 - Step 5: Solve for x
x = 157,529,610,000/189,732 - Step 6: Final answer
x = 830,274.33
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.