Finding the Third Proportional to 53,691.19 and 121,305.09
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Solution
The third proportional to 53,691.19 and 121,305.09 is: 274,065.94
Step by Step Solution
- Step 1: Write the proportion equation
53,691.19 : 121,305.09 = 121,305.09 : x - Step 2: Convert to fraction form
53,691.19/121,305.09 = 121,305.09/x - Step 3: Cross multiply
53,691.19x = 121,305.09 × 121,305.09 - Step 4: Simplify right side
53,691.19x = 14,714,925,769.70 - Step 5: Solve for x
x = 14,714,925,769.70/53,691.19 - Step 6: Final answer
x = 274,065.94
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Why These Related Problems?
These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.