Finding the Third Proportional to 308,980 and 677,000
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Solution
The third proportional to 308,980 and 677,000 is: 1,483,361.38
Step by Step Solution
- Step 1: Write the proportion equation
308,980 : 677,000 = 677,000 : x - Step 2: Convert to fraction form
308,980/677,000 = 677,000/x - Step 3: Cross multiply
308,980x = 677,000 × 677,000 - Step 4: Simplify right side
308,980x = 458,329,000,000 - Step 5: Solve for x
x = 458,329,000,000/308,980 - Step 6: Final answer
x = 1,483,361.38
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.