Finding the Third Proportional to 129,619.50 and 196,239.75
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Solution
The third proportional to 129,619.50 and 196,239.75 is: 297,100.66
Step by Step Solution
- Step 1: Write the proportion equation
129,619.50 : 196,239.75 = 196,239.75 : x - Step 2: Convert to fraction form
129,619.50/196,239.75 = 196,239.75/x - Step 3: Cross multiply
129,619.50x = 196,239.75 × 196,239.75 - Step 4: Simplify right side
129,619.50x = 38,510,039,480.06 - Step 5: Solve for x
x = 38,510,039,480.06/129,619.50 - Step 6: Final answer
x = 297,100.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.