Finding the Third Proportional to 141.50 and 153
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Solution
The third proportional to 141.50 and 153 is: 165.43
Step by Step Solution
- Step 1: Write the proportion equation
141.50 : 153 = 153 : x - Step 2: Convert to fraction form
141.50/153 = 153/x - Step 3: Cross multiply
141.50x = 153 × 153 - Step 4: Simplify right side
141.50x = 23,409 - Step 5: Solve for x
x = 23,409/141.50 - Step 6: Final answer
x = 165.43
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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.