Finding the Third Proportional to 234 and 388.50
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Solution
The third proportional to 234 and 388.50 is: 645.01
Step by Step Solution
- Step 1: Write the proportion equation
234 : 388.50 = 388.50 : x - Step 2: Convert to fraction form
234/388.50 = 388.50/x - Step 3: Cross multiply
234x = 388.50 × 388.50 - Step 4: Simplify right side
234x = 150,932.25 - Step 5: Solve for x
x = 150,932.25/234 - Step 6: Final answer
x = 645.01
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These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.