Finding the Third Proportional to 178,474.50 and 276,351.75
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Solution
The third proportional to 178,474.50 and 276,351.75 is: 427,905.89
Step by Step Solution
- Step 1: Write the proportion equation
178,474.50 : 276,351.75 = 276,351.75 : x - Step 2: Convert to fraction form
178,474.50/276,351.75 = 276,351.75/x - Step 3: Cross multiply
178,474.50x = 276,351.75 × 276,351.75 - Step 4: Simplify right side
178,474.50x = 76,370,289,728.06 - Step 5: Solve for x
x = 76,370,289,728.06/178,474.50 - Step 6: Final answer
x = 427,905.89
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.