Finding the Third Proportional to 1,392 and 3,008
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Solution
The third proportional to 1,392 and 3,008 is: 6,500.05
Step by Step Solution
- Step 1: Write the proportion equation
1,392 : 3,008 = 3,008 : x - Step 2: Convert to fraction form
1,392/3,008 = 3,008/x - Step 3: Cross multiply
1,392x = 3,008 × 3,008 - Step 4: Simplify right side
1,392x = 9,048,064 - Step 5: Solve for x
x = 9,048,064/1,392 - Step 6: Final answer
x = 6,500.05
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.