Finding the Third Proportional to 18,470 and 40,738
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Solution
The third proportional to 18,470 and 40,738 is: 89,852.99
Step by Step Solution
- Step 1: Write the proportion equation
18,470 : 40,738 = 40,738 : x - Step 2: Convert to fraction form
18,470/40,738 = 40,738/x - Step 3: Cross multiply
18,470x = 40,738 × 40,738 - Step 4: Simplify right side
18,470x = 1,659,584,644 - Step 5: Solve for x
x = 1,659,584,644/18,470 - Step 6: Final answer
x = 89,852.99
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.