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Finding the Third Proportional to 414,626 and 871,028

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Solution

The third proportional to 414,626 and 871,028 is: 1,829,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,626 : 871,028 = 871,028 : x
  2. Step 2: Convert to fraction form
    414,626/871,028 = 871,028/x
  3. Step 3: Cross multiply
    414,626x = 871,028 × 871,028
  4. Step 4: Simplify right side
    414,626x = 758,689,776,784
  5. Step 5: Solve for x
    x = 758,689,776,784/414,626
  6. Step 6: Final answer
    x = 1,829,817.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.