Finding the Third Proportional to 770 and 925
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Solution
The third proportional to 770 and 925 is: 1,111.20
Step by Step Solution
- Step 1: Write the proportion equation
770 : 925 = 925 : x - Step 2: Convert to fraction form
770/925 = 925/x - Step 3: Cross multiply
770x = 925 × 925 - Step 4: Simplify right side
770x = 855,625 - Step 5: Solve for x
x = 855,625/770 - Step 6: Final answer
x = 1,111.20
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Why These Related Problems?
These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.