Finding the Third Proportional to 138,990 and 271,068
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Solution
The third proportional to 138,990 and 271,068 is: 528,655.74
Step by Step Solution
- Step 1: Write the proportion equation
138,990 : 271,068 = 271,068 : x - Step 2: Convert to fraction form
138,990/271,068 = 271,068/x - Step 3: Cross multiply
138,990x = 271,068 × 271,068 - Step 4: Simplify right side
138,990x = 73,477,860,624 - Step 5: Solve for x
x = 73,477,860,624/138,990 - Step 6: Final answer
x = 528,655.74
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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.