Finding the Third Proportional to 30,840 and 60,144
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Solution
The third proportional to 30,840 and 60,144 is: 117,292.50
Step by Step Solution
- Step 1: Write the proportion equation
30,840 : 60,144 = 60,144 : x - Step 2: Convert to fraction form
30,840/60,144 = 60,144/x - Step 3: Cross multiply
30,840x = 60,144 × 60,144 - Step 4: Simplify right side
30,840x = 3,617,300,736 - Step 5: Solve for x
x = 3,617,300,736/30,840 - Step 6: Final answer
x = 117,292.50
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.