Finding the Third Proportional to 25,780 and 38,878
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Solution
The third proportional to 25,780 and 38,878 is: 58,630.68
Step by Step Solution
- Step 1: Write the proportion equation
25,780 : 38,878 = 38,878 : x - Step 2: Convert to fraction form
25,780/38,878 = 38,878/x - Step 3: Cross multiply
25,780x = 38,878 × 38,878 - Step 4: Simplify right side
25,780x = 1,511,498,884 - Step 5: Solve for x
x = 1,511,498,884/25,780 - Step 6: Final answer
x = 58,630.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.