Finding the Third Proportional to 66,412 and 143,192
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Solution
The third proportional to 66,412 and 143,192 is: 308,738.61
Step by Step Solution
- Step 1: Write the proportion equation
66,412 : 143,192 = 143,192 : x - Step 2: Convert to fraction form
66,412/143,192 = 143,192/x - Step 3: Cross multiply
66,412x = 143,192 × 143,192 - Step 4: Simplify right side
66,412x = 20,503,948,864 - Step 5: Solve for x
x = 20,503,948,864/66,412 - Step 6: Final answer
x = 308,738.61
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.