Finding the Third Proportional to 7,867.13 and 15,889.92
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Solution
The third proportional to 7,867.13 and 15,889.92 is: 32,094.27
Step by Step Solution
- Step 1: Write the proportion equation
7,867.13 : 15,889.92 = 15,889.92 : x - Step 2: Convert to fraction form
7,867.13/15,889.92 = 15,889.92/x - Step 3: Cross multiply
7,867.13x = 15,889.92 × 15,889.92 - Step 4: Simplify right side
7,867.13x = 252,489,617.19 - Step 5: Solve for x
x = 252,489,617.19/7,867.13 - Step 6: Final answer
x = 32,094.27
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Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.