Finding the Third Proportional to 919.69 and 2,004.75
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Solution
The third proportional to 919.69 and 2,004.75 is: 4,369.99
Step by Step Solution
- Step 1: Write the proportion equation
919.69 : 2,004.75 = 2,004.75 : x - Step 2: Convert to fraction form
919.69/2,004.75 = 2,004.75/x - Step 3: Cross multiply
919.69x = 2,004.75 × 2,004.75 - Step 4: Simplify right side
919.69x = 4,019,022.56 - Step 5: Solve for x
x = 4,019,022.56/919.69 - Step 6: Final answer
x = 4,369.99
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.