Finding the Third Proportional to 18,513.75 and 27,933.75
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Solution
The third proportional to 18,513.75 and 27,933.75 is: 42,146.75
Step by Step Solution
- Step 1: Write the proportion equation
18,513.75 : 27,933.75 = 27,933.75 : x - Step 2: Convert to fraction form
18,513.75/27,933.75 = 27,933.75/x - Step 3: Cross multiply
18,513.75x = 27,933.75 × 27,933.75 - Step 4: Simplify right side
18,513.75x = 780,294,389.06 - Step 5: Solve for x
x = 780,294,389.06/18,513.75 - Step 6: Final answer
x = 42,146.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.