Finding the Third Proportional to 670 and 1,662
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Solution
The third proportional to 670 and 1,662 is: 4,122.75
Step by Step Solution
- Step 1: Write the proportion equation
670 : 1,662 = 1,662 : x - Step 2: Convert to fraction form
670/1,662 = 1,662/x - Step 3: Cross multiply
670x = 1,662 × 1,662 - Step 4: Simplify right side
670x = 2,762,244 - Step 5: Solve for x
x = 2,762,244/670 - Step 6: Final answer
x = 4,122.75
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These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.