Finding the Third Proportional to 8,491.88 and 18,623.63
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Solution
The third proportional to 8,491.88 and 18,623.63 is: 40,843.68
Step by Step Solution
- Step 1: Write the proportion equation
8,491.88 : 18,623.63 = 18,623.63 : x - Step 2: Convert to fraction form
8,491.88/18,623.63 = 18,623.63/x - Step 3: Cross multiply
8,491.88x = 18,623.63 × 18,623.63 - Step 4: Simplify right side
8,491.88x = 346,839,408.14 - Step 5: Solve for x
x = 346,839,408.14/8,491.88 - Step 6: Final answer
x = 40,843.68
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.