Finding the Third Proportional to 778 and 2,029
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Solution
The third proportional to 778 and 2,029 is: 5,291.57
Step by Step Solution
- Step 1: Write the proportion equation
778 : 2,029 = 2,029 : x - Step 2: Convert to fraction form
778/2,029 = 2,029/x - Step 3: Cross multiply
778x = 2,029 × 2,029 - Step 4: Simplify right side
778x = 4,116,841 - Step 5: Solve for x
x = 4,116,841/778 - Step 6: Final answer
x = 5,291.57
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Why These Related Problems?
These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.