Finding the Third Proportional to 79,619.63 and 122,193.56
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Solution
The third proportional to 79,619.63 and 122,193.56 is: 187,532.49
Step by Step Solution
- Step 1: Write the proportion equation
79,619.63 : 122,193.56 = 122,193.56 : x - Step 2: Convert to fraction form
79,619.63/122,193.56 = 122,193.56/x - Step 3: Cross multiply
79,619.63x = 122,193.56 × 122,193.56 - Step 4: Simplify right side
79,619.63x = 14,931,266,716.44 - Step 5: Solve for x
x = 14,931,266,716.44/79,619.63 - Step 6: Final answer
x = 187,532.49
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.