Finding the Third Proportional to 1,338.19 and 3,126.94
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Solution
The third proportional to 1,338.19 and 3,126.94 is: 7,306.70
Step by Step Solution
- Step 1: Write the proportion equation
1,338.19 : 3,126.94 = 3,126.94 : x - Step 2: Convert to fraction form
1,338.19/3,126.94 = 3,126.94/x - Step 3: Cross multiply
1,338.19x = 3,126.94 × 3,126.94 - Step 4: Simplify right side
1,338.19x = 9,777,738.13 - Step 5: Solve for x
x = 9,777,738.13/1,338.19 - Step 6: Final answer
x = 7,306.70
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These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.