Finding the Third Proportional to 400 and 844.50
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Solution
The third proportional to 400 and 844.50 is: 1,782.95
Step by Step Solution
- Step 1: Write the proportion equation
400 : 844.50 = 844.50 : x - Step 2: Convert to fraction form
400/844.50 = 844.50/x - Step 3: Cross multiply
400x = 844.50 × 844.50 - Step 4: Simplify right side
400x = 713,180.25 - Step 5: Solve for x
x = 713,180.25/400 - Step 6: Final answer
x = 1,782.95
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.