Finding the Third Proportional to 986,464.69 and 2,119,784.06
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Solution
The third proportional to 986,464.69 and 2,119,784.06 is: 4,555,139.71
Step by Step Solution
- Step 1: Write the proportion equation
986,464.69 : 2,119,784.06 = 2,119,784.06 : x - Step 2: Convert to fraction form
986,464.69/2,119,784.06 = 2,119,784.06/x - Step 3: Cross multiply
986,464.69x = 2,119,784.06 × 2,119,784.06 - Step 4: Simplify right side
986,464.69x = 4,493,484,471,629.00 - Step 5: Solve for x
x = 4,493,484,471,629.00/986,464.69 - Step 6: Final answer
x = 4,555,139.71
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.