Finding the Third Proportional to 129,163.75 and 273,692.75
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Solution
The third proportional to 129,163.75 and 273,692.75 is: 579,943.84
Step by Step Solution
- Step 1: Write the proportion equation
129,163.75 : 273,692.75 = 273,692.75 : x - Step 2: Convert to fraction form
129,163.75/273,692.75 = 273,692.75/x - Step 3: Cross multiply
129,163.75x = 273,692.75 × 273,692.75 - Step 4: Simplify right side
129,163.75x = 74,907,721,402.56 - Step 5: Solve for x
x = 74,907,721,402.56/129,163.75 - Step 6: Final answer
x = 579,943.84
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.