Finding the Third Proportional to 18,728.75 and 40,236.75
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Solution
The third proportional to 18,728.75 and 40,236.75 is: 86,444.43
Step by Step Solution
- Step 1: Write the proportion equation
18,728.75 : 40,236.75 = 40,236.75 : x - Step 2: Convert to fraction form
18,728.75/40,236.75 = 40,236.75/x - Step 3: Cross multiply
18,728.75x = 40,236.75 × 40,236.75 - Step 4: Simplify right side
18,728.75x = 1,618,996,050.56 - Step 5: Solve for x
x = 1,618,996,050.56/18,728.75 - Step 6: Final answer
x = 86,444.43
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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.