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Finding the Third Proportional to 294,784 and 631,626

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Solution

The third proportional to 294,784 and 631,626 is: 1,353,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,784 : 631,626 = 631,626 : x
  2. Step 2: Convert to fraction form
    294,784/631,626 = 631,626/x
  3. Step 3: Cross multiply
    294,784x = 631,626 × 631,626
  4. Step 4: Simplify right side
    294,784x = 398,951,403,876
  5. Step 5: Solve for x
    x = 398,951,403,876/294,784
  6. Step 6: Final answer
    x = 1,353,368.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.