Finding the Third Proportional to 45,015.75 and 73,959.75
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Solution
The third proportional to 45,015.75 and 73,959.75 is: 121,514.02
Step by Step Solution
- Step 1: Write the proportion equation
45,015.75 : 73,959.75 = 73,959.75 : x - Step 2: Convert to fraction form
45,015.75/73,959.75 = 73,959.75/x - Step 3: Cross multiply
45,015.75x = 73,959.75 × 73,959.75 - Step 4: Simplify right side
45,015.75x = 5,470,044,620.06 - Step 5: Solve for x
x = 5,470,044,620.06/45,015.75 - Step 6: Final answer
x = 121,514.02
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Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.