Finding the Third Proportional to 4,980 and 7,676
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Solution
The third proportional to 4,980 and 7,676 is: 11,831.52
Step by Step Solution
- Step 1: Write the proportion equation
4,980 : 7,676 = 7,676 : x - Step 2: Convert to fraction form
4,980/7,676 = 7,676/x - Step 3: Cross multiply
4,980x = 7,676 × 7,676 - Step 4: Simplify right side
4,980x = 58,920,976 - Step 5: Solve for x
x = 58,920,976/4,980 - Step 6: Final answer
x = 11,831.52
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.