Finding the Third Proportional to 7,138.13 and 14,509.13
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Solution
The third proportional to 7,138.13 and 14,509.13 is: 29,491.60
Step by Step Solution
- Step 1: Write the proportion equation
7,138.13 : 14,509.13 = 14,509.13 : x - Step 2: Convert to fraction form
7,138.13/14,509.13 = 14,509.13/x - Step 3: Cross multiply
7,138.13x = 14,509.13 × 14,509.13 - Step 4: Simplify right side
7,138.13x = 210,514,708.27 - Step 5: Solve for x
x = 210,514,708.27/7,138.13 - Step 6: Final answer
x = 29,491.60
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Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.