Finding the Third Proportional to 283.50 and 438.75
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Solution
The third proportional to 283.50 and 438.75 is: 679.02
Step by Step Solution
- Step 1: Write the proportion equation
283.50 : 438.75 = 438.75 : x - Step 2: Convert to fraction form
283.50/438.75 = 438.75/x - Step 3: Cross multiply
283.50x = 438.75 × 438.75 - Step 4: Simplify right side
283.50x = 192,501.56 - Step 5: Solve for x
x = 192,501.56/283.50 - Step 6: Final answer
x = 679.02
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.