Finding the Third Proportional to 19,854 and 30,762
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Solution
The third proportional to 19,854 and 30,762 is: 47,662.97
Step by Step Solution
- Step 1: Write the proportion equation
19,854 : 30,762 = 30,762 : x - Step 2: Convert to fraction form
19,854/30,762 = 30,762/x - Step 3: Cross multiply
19,854x = 30,762 × 30,762 - Step 4: Simplify right side
19,854x = 946,300,644 - Step 5: Solve for x
x = 946,300,644/19,854 - Step 6: Final answer
x = 47,662.97
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.