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Finding the Third Proportional to 981,450 and 1,391,796

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Solution

The third proportional to 981,450 and 1,391,796 is: 1,973,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,450 : 1,391,796 = 1,391,796 : x
  2. Step 2: Convert to fraction form
    981,450/1,391,796 = 1,391,796/x
  3. Step 3: Cross multiply
    981,450x = 1,391,796 × 1,391,796
  4. Step 4: Simplify right side
    981,450x = 1,937,096,105,616
  5. Step 5: Solve for x
    x = 1,937,096,105,616/981,450
  6. Step 6: Final answer
    x = 1,973,708.40

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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.