Finding the Third Proportional to 19,942 and 29,912
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Solution
The third proportional to 19,942 and 29,912 is: 44,866.50
Step by Step Solution
- Step 1: Write the proportion equation
19,942 : 29,912 = 29,912 : x - Step 2: Convert to fraction form
19,942/29,912 = 29,912/x - Step 3: Cross multiply
19,942x = 29,912 × 29,912 - Step 4: Simplify right side
19,942x = 894,727,744 - Step 5: Solve for x
x = 894,727,744/19,942 - Step 6: Final answer
x = 44,866.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.