Finding the Third Proportional to 196,872.75 and 431,880.75
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Solution
The third proportional to 196,872.75 and 431,880.75 is: 947,418.99
Step by Step Solution
- Step 1: Write the proportion equation
196,872.75 : 431,880.75 = 431,880.75 : x - Step 2: Convert to fraction form
196,872.75/431,880.75 = 431,880.75/x - Step 3: Cross multiply
196,872.75x = 431,880.75 × 431,880.75 - Step 4: Simplify right side
196,872.75x = 186,520,982,220.56 - Step 5: Solve for x
x = 186,520,982,220.56/196,872.75 - Step 6: Final answer
x = 947,418.99
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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.