Finding the Third Proportional to 80 and 154.50
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Solution
The third proportional to 80 and 154.50 is: 298.38
Step by Step Solution
- Step 1: Write the proportion equation
80 : 154.50 = 154.50 : x - Step 2: Convert to fraction form
80/154.50 = 154.50/x - Step 3: Cross multiply
80x = 154.50 × 154.50 - Step 4: Simplify right side
80x = 23,870.25 - Step 5: Solve for x
x = 23,870.25/80 - Step 6: Final answer
x = 298.38
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These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.