Finding the Third Proportional to 986 and 2,164
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Solution
The third proportional to 986 and 2,164 is: 4,749.39
Step by Step Solution
- Step 1: Write the proportion equation
986 : 2,164 = 2,164 : x - Step 2: Convert to fraction form
986/2,164 = 2,164/x - Step 3: Cross multiply
986x = 2,164 × 2,164 - Step 4: Simplify right side
986x = 4,682,896 - Step 5: Solve for x
x = 4,682,896/986 - Step 6: Final answer
x = 4,749.39
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.