Finding the Third Proportional to 13,425.75 and 20,517.75
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Solution
The third proportional to 13,425.75 and 20,517.75 is: 31,356.02
Step by Step Solution
- Step 1: Write the proportion equation
13,425.75 : 20,517.75 = 20,517.75 : x - Step 2: Convert to fraction form
13,425.75/20,517.75 = 20,517.75/x - Step 3: Cross multiply
13,425.75x = 20,517.75 × 20,517.75 - Step 4: Simplify right side
13,425.75x = 420,978,065.06 - Step 5: Solve for x
x = 420,978,065.06/13,425.75 - Step 6: Final answer
x = 31,356.02
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.