Finding the Third Proportional to 5,118.19 and 8,148.09
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Solution
The third proportional to 5,118.19 and 8,148.09 is: 12,971.67
Step by Step Solution
- Step 1: Write the proportion equation
5,118.19 : 8,148.09 = 8,148.09 : x - Step 2: Convert to fraction form
5,118.19/8,148.09 = 8,148.09/x - Step 3: Cross multiply
5,118.19x = 8,148.09 × 8,148.09 - Step 4: Simplify right side
5,118.19x = 66,391,431.76 - Step 5: Solve for x
x = 66,391,431.76/5,118.19 - Step 6: Final answer
x = 12,971.67
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.