Finding the Third Proportional to 142,872 and 215,604
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Solution
The third proportional to 142,872 and 215,604 is: 325,361.76
Step by Step Solution
- Step 1: Write the proportion equation
142,872 : 215,604 = 215,604 : x - Step 2: Convert to fraction form
142,872/215,604 = 215,604/x - Step 3: Cross multiply
142,872x = 215,604 × 215,604 - Step 4: Simplify right side
142,872x = 46,485,084,816 - Step 5: Solve for x
x = 46,485,084,816/142,872 - Step 6: Final answer
x = 325,361.76
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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.