Finding the Third Proportional to 1,381.13 and 3,207.75
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Solution
The third proportional to 1,381.13 and 3,207.75 is: 7,450.20
Step by Step Solution
- Step 1: Write the proportion equation
1,381.13 : 3,207.75 = 3,207.75 : x - Step 2: Convert to fraction form
1,381.13/3,207.75 = 3,207.75/x - Step 3: Cross multiply
1,381.13x = 3,207.75 × 3,207.75 - Step 4: Simplify right side
1,381.13x = 10,289,660.06 - Step 5: Solve for x
x = 10,289,660.06/1,381.13 - Step 6: Final answer
x = 7,450.20
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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.