Finding the Third Proportional to 14,228 and 20,974
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Solution
The third proportional to 14,228 and 20,974 is: 30,918.52
Step by Step Solution
- Step 1: Write the proportion equation
14,228 : 20,974 = 20,974 : x - Step 2: Convert to fraction form
14,228/20,974 = 20,974/x - Step 3: Cross multiply
14,228x = 20,974 × 20,974 - Step 4: Simplify right side
14,228x = 439,908,676 - Step 5: Solve for x
x = 439,908,676/14,228 - Step 6: Final answer
x = 30,918.52
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.