Finding the Third Proportional to 163.50 and 423
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Solution
The third proportional to 163.50 and 423 is: 1,094.37
Step by Step Solution
- Step 1: Write the proportion equation
163.50 : 423 = 423 : x - Step 2: Convert to fraction form
163.50/423 = 423/x - Step 3: Cross multiply
163.50x = 423 × 423 - Step 4: Simplify right side
163.50x = 178,929 - Step 5: Solve for x
x = 178,929/163.50 - Step 6: Final answer
x = 1,094.37
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These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.