Finding the Third Proportional to 20,832.75 and 29,769.75
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Solution
The third proportional to 20,832.75 and 29,769.75 is: 42,540.62
Step by Step Solution
- Step 1: Write the proportion equation
20,832.75 : 29,769.75 = 29,769.75 : x - Step 2: Convert to fraction form
20,832.75/29,769.75 = 29,769.75/x - Step 3: Cross multiply
20,832.75x = 29,769.75 × 29,769.75 - Step 4: Simplify right side
20,832.75x = 886,238,015.06 - Step 5: Solve for x
x = 886,238,015.06/20,832.75 - Step 6: Final answer
x = 42,540.62
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.