Finding the Third Proportional to 913 and 949
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Solution
The third proportional to 913 and 949 is: 986.42
Step by Step Solution
- Step 1: Write the proportion equation
913 : 949 = 949 : x - Step 2: Convert to fraction form
913/949 = 949/x - Step 3: Cross multiply
913x = 949 × 949 - Step 4: Simplify right side
913x = 900,601 - Step 5: Solve for x
x = 900,601/913 - Step 6: Final answer
x = 986.42
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Why These Related Problems?
These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.