Finding the Third Proportional to 129,912.19 and 279,159.75
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Solution
The third proportional to 129,912.19 and 279,159.75 is: 599,868.01
Step by Step Solution
- Step 1: Write the proportion equation
129,912.19 : 279,159.75 = 279,159.75 : x - Step 2: Convert to fraction form
129,912.19/279,159.75 = 279,159.75/x - Step 3: Cross multiply
129,912.19x = 279,159.75 × 279,159.75 - Step 4: Simplify right side
129,912.19x = 77,930,166,020.06 - Step 5: Solve for x
x = 77,930,166,020.06/129,912.19 - Step 6: Final answer
x = 599,868.01
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.