Finding the Third Proportional to 431 and 980.50
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Solution
The third proportional to 431 and 980.50 is: 2,230.58
Step by Step Solution
- Step 1: Write the proportion equation
431 : 980.50 = 980.50 : x - Step 2: Convert to fraction form
431/980.50 = 980.50/x - Step 3: Cross multiply
431x = 980.50 × 980.50 - Step 4: Simplify right side
431x = 961,380.25 - Step 5: Solve for x
x = 961,380.25/431 - Step 6: Final answer
x = 2,230.58
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Why These Related Problems?
These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.