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Finding the Third Proportional to 147,626 and 313,704

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Solution

The third proportional to 147,626 and 313,704 is: 666,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626 : 313,704 = 313,704 : x
  2. Step 2: Convert to fraction form
    147,626/313,704 = 313,704/x
  3. Step 3: Cross multiply
    147,626x = 313,704 × 313,704
  4. Step 4: Simplify right side
    147,626x = 98,410,199,616
  5. Step 5: Solve for x
    x = 98,410,199,616/147,626
  6. Step 6: Final answer
    x = 666,618.34

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.