Finding the Third Proportional to 18,972.75 and 27,330.75
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Solution
The third proportional to 18,972.75 and 27,330.75 is: 39,370.67
Step by Step Solution
- Step 1: Write the proportion equation
18,972.75 : 27,330.75 = 27,330.75 : x - Step 2: Convert to fraction form
18,972.75/27,330.75 = 27,330.75/x - Step 3: Cross multiply
18,972.75x = 27,330.75 × 27,330.75 - Step 4: Simplify right side
18,972.75x = 746,969,895.56 - Step 5: Solve for x
x = 746,969,895.56/18,972.75 - Step 6: Final answer
x = 39,370.67
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.