Finding the Third Proportional to 8,634.09 and 18,905.91
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Solution
The third proportional to 8,634.09 and 18,905.91 is: 41,397.89
Step by Step Solution
- Step 1: Write the proportion equation
8,634.09 : 18,905.91 = 18,905.91 : x - Step 2: Convert to fraction form
8,634.09/18,905.91 = 18,905.91/x - Step 3: Cross multiply
8,634.09x = 18,905.91 × 18,905.91 - Step 4: Simplify right side
8,634.09x = 357,433,291.13 - Step 5: Solve for x
x = 357,433,291.13/8,634.09 - Step 6: Final answer
x = 41,397.89
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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.