Finding the Third Proportional to 121,419 and 183,768.75
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Solution
The third proportional to 121,419 and 183,768.75 is: 278,135.66
Step by Step Solution
- Step 1: Write the proportion equation
121,419 : 183,768.75 = 183,768.75 : x - Step 2: Convert to fraction form
121,419/183,768.75 = 183,768.75/x - Step 3: Cross multiply
121,419x = 183,768.75 × 183,768.75 - Step 4: Simplify right side
121,419x = 33,770,953,476.56 - Step 5: Solve for x
x = 33,770,953,476.56/121,419 - Step 6: Final answer
x = 278,135.66
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.