Finding the Third Proportional to 777 and 880.50
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Solution
The third proportional to 777 and 880.50 is: 997.79
Step by Step Solution
- Step 1: Write the proportion equation
777 : 880.50 = 880.50 : x - Step 2: Convert to fraction form
777/880.50 = 880.50/x - Step 3: Cross multiply
777x = 880.50 × 880.50 - Step 4: Simplify right side
777x = 775,280.25 - Step 5: Solve for x
x = 775,280.25/777 - Step 6: Final answer
x = 997.79
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.