Finding the Third Proportional to 434,591.75 and 638,880.75
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Solution
The third proportional to 434,591.75 and 638,880.75 is: 939,200.09
Step by Step Solution
- Step 1: Write the proportion equation
434,591.75 : 638,880.75 = 638,880.75 : x - Step 2: Convert to fraction form
434,591.75/638,880.75 = 638,880.75/x - Step 3: Cross multiply
434,591.75x = 638,880.75 × 638,880.75 - Step 4: Simplify right side
434,591.75x = 408,168,612,720.56 - Step 5: Solve for x
x = 408,168,612,720.56/434,591.75 - Step 6: Final answer
x = 939,200.09
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.