Finding the Third Proportional to 670 and 722
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Solution
The third proportional to 670 and 722 is: 778.04
Step by Step Solution
- Step 1: Write the proportion equation
670 : 722 = 722 : x - Step 2: Convert to fraction form
670/722 = 722/x - Step 3: Cross multiply
670x = 722 × 722 - Step 4: Simplify right side
670x = 521,284 - Step 5: Solve for x
x = 521,284/670 - Step 6: Final answer
x = 778.04
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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.