Finding the Third Proportional to 107,983.13 and 121,515.19
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Solution
The third proportional to 107,983.13 and 121,515.19 is: 136,743.04
Step by Step Solution
- Step 1: Write the proportion equation
107,983.13 : 121,515.19 = 121,515.19 : x - Step 2: Convert to fraction form
107,983.13/121,515.19 = 121,515.19/x - Step 3: Cross multiply
107,983.13x = 121,515.19 × 121,515.19 - Step 4: Simplify right side
107,983.13x = 14,765,940,793.16 - Step 5: Solve for x
x = 14,765,940,793.16/107,983.13 - Step 6: Final answer
x = 136,743.04
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.