Finding the Third Proportional to 1,351.13 and 3,138.19
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Solution
The third proportional to 1,351.13 and 3,138.19 is: 7,288.90
Step by Step Solution
- Step 1: Write the proportion equation
1,351.13 : 3,138.19 = 3,138.19 : x - Step 2: Convert to fraction form
1,351.13/3,138.19 = 3,138.19/x - Step 3: Cross multiply
1,351.13x = 3,138.19 × 3,138.19 - Step 4: Simplify right side
1,351.13x = 9,848,220.79 - Step 5: Solve for x
x = 9,848,220.79/1,351.13 - Step 6: Final answer
x = 7,288.90
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These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.