Finding the Third Proportional to 18,820 and 40,882
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Solution
The third proportional to 18,820 and 40,882 is: 88,806.48
Step by Step Solution
- Step 1: Write the proportion equation
18,820 : 40,882 = 40,882 : x - Step 2: Convert to fraction form
18,820/40,882 = 40,882/x - Step 3: Cross multiply
18,820x = 40,882 × 40,882 - Step 4: Simplify right side
18,820x = 1,671,337,924 - Step 5: Solve for x
x = 1,671,337,924/18,820 - Step 6: Final answer
x = 88,806.48
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.