Finding the Third Proportional to 75,479.63 and 161,529.75
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Solution
The third proportional to 75,479.63 and 161,529.75 is: 345,680.84
Step by Step Solution
- Step 1: Write the proportion equation
75,479.63 : 161,529.75 = 161,529.75 : x - Step 2: Convert to fraction form
75,479.63/161,529.75 = 161,529.75/x - Step 3: Cross multiply
75,479.63x = 161,529.75 × 161,529.75 - Step 4: Simplify right side
75,479.63x = 26,091,860,135.06 - Step 5: Solve for x
x = 26,091,860,135.06/75,479.63 - Step 6: Final answer
x = 345,680.84
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.