Finding the Third Proportional to 777 and 910
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Solution
The third proportional to 777 and 910 is: 1,065.77
Step by Step Solution
- Step 1: Write the proportion equation
777 : 910 = 910 : x - Step 2: Convert to fraction form
777/910 = 910/x - Step 3: Cross multiply
777x = 910 × 910 - Step 4: Simplify right side
777x = 828,100 - Step 5: Solve for x
x = 828,100/777 - Step 6: Final answer
x = 1,065.77
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Why These Related Problems?
These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.