Finding the Third Proportional to 18,699.75 and 39,993.75
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Solution
The third proportional to 18,699.75 and 39,993.75 is: 85,535.90
Step by Step Solution
- Step 1: Write the proportion equation
18,699.75 : 39,993.75 = 39,993.75 : x - Step 2: Convert to fraction form
18,699.75/39,993.75 = 39,993.75/x - Step 3: Cross multiply
18,699.75x = 39,993.75 × 39,993.75 - Step 4: Simplify right side
18,699.75x = 1,599,500,039.06 - Step 5: Solve for x
x = 1,599,500,039.06/18,699.75 - Step 6: Final answer
x = 85,535.90
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.