Finding the Third Proportional to 113 and 245
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Solution
The third proportional to 113 and 245 is: 531.19
Step by Step Solution
- Step 1: Write the proportion equation
113 : 245 = 245 : x - Step 2: Convert to fraction form
113/245 = 245/x - Step 3: Cross multiply
113x = 245 × 245 - Step 4: Simplify right side
113x = 60,025 - Step 5: Solve for x
x = 60,025/113 - Step 6: Final answer
x = 531.19
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.