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Finding the Third Proportional to 1,268,703 and 1,966,690.13

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Solution

The third proportional to 1,268,703 and 1,966,690.13 is: 3,048,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,703 : 1,966,690.13 = 1,966,690.13 : x
  2. Step 2: Convert to fraction form
    1,268,703/1,966,690.13 = 1,966,690.13/x
  3. Step 3: Cross multiply
    1,268,703x = 1,966,690.13 × 1,966,690.13
  4. Step 4: Simplify right side
    1,268,703x = 3,867,870,047,772.52
  5. Step 5: Solve for x
    x = 3,867,870,047,772.52/1,268,703
  6. Step 6: Final answer
    x = 3,048,680.46

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.