Finding the Third Proportional to 2,381.91 and 3,660.19
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Solution
The third proportional to 2,381.91 and 3,660.19 is: 5,624.48
Step by Step Solution
- Step 1: Write the proportion equation
2,381.91 : 3,660.19 = 3,660.19 : x - Step 2: Convert to fraction form
2,381.91/3,660.19 = 3,660.19/x - Step 3: Cross multiply
2,381.91x = 3,660.19 × 3,660.19 - Step 4: Simplify right side
2,381.91x = 13,396,972.54 - Step 5: Solve for x
x = 13,396,972.54/2,381.91 - Step 6: Final answer
x = 5,624.48
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.