Finding the Third Proportional to 149.50 and 270
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Solution
The third proportional to 149.50 and 270 is: 487.63
Step by Step Solution
- Step 1: Write the proportion equation
149.50 : 270 = 270 : x - Step 2: Convert to fraction form
149.50/270 = 270/x - Step 3: Cross multiply
149.50x = 270 × 270 - Step 4: Simplify right side
149.50x = 72,900 - Step 5: Solve for x
x = 72,900/149.50 - Step 6: Final answer
x = 487.63
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These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.