Finding the Third Proportional to 7,922 and 12,314
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Solution
The third proportional to 7,922 and 12,314 is: 19,140.95
Step by Step Solution
- Step 1: Write the proportion equation
7,922 : 12,314 = 12,314 : x - Step 2: Convert to fraction form
7,922/12,314 = 12,314/x - Step 3: Cross multiply
7,922x = 12,314 × 12,314 - Step 4: Simplify right side
7,922x = 151,634,596 - Step 5: Solve for x
x = 151,634,596/7,922 - Step 6: Final answer
x = 19,140.95
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.