Finding the Third Proportional to 613 and 670
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Solution
The third proportional to 613 and 670 is: 732.30
Step by Step Solution
- Step 1: Write the proportion equation
613 : 670 = 670 : x - Step 2: Convert to fraction form
613/670 = 670/x - Step 3: Cross multiply
613x = 670 × 670 - Step 4: Simplify right side
613x = 448,900 - Step 5: Solve for x
x = 448,900/613 - Step 6: Final answer
x = 732.30
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.