Finding the Third Proportional to 979,517.81 and 2,028,245.06
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Solution
The third proportional to 979,517.81 and 2,028,245.06 is: 4,199,799.11
Step by Step Solution
- Step 1: Write the proportion equation
979,517.81 : 2,028,245.06 = 2,028,245.06 : x - Step 2: Convert to fraction form
979,517.81/2,028,245.06 = 2,028,245.06/x - Step 3: Cross multiply
979,517.81x = 2,028,245.06 × 2,028,245.06 - Step 4: Simplify right side
979,517.81x = 4,113,778,033,555.63 - Step 5: Solve for x
x = 4,113,778,033,555.63/979,517.81 - Step 6: Final answer
x = 4,199,799.11
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.