Finding the Third Proportional to 7,138.13 and 11,367.84
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Solution
The third proportional to 7,138.13 and 11,367.84 is: 18,103.90
Step by Step Solution
- Step 1: Write the proportion equation
7,138.13 : 11,367.84 = 11,367.84 : x - Step 2: Convert to fraction form
7,138.13/11,367.84 = 11,367.84/x - Step 3: Cross multiply
7,138.13x = 11,367.84 × 11,367.84 - Step 4: Simplify right side
7,138.13x = 129,227,871.52 - Step 5: Solve for x
x = 129,227,871.52/7,138.13 - Step 6: Final answer
x = 18,103.90
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.