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Finding the Third Proportional to 631,626 and 970,868

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Solution

The third proportional to 631,626 and 970,868 is: 1,492,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,626 : 970,868 = 970,868 : x
  2. Step 2: Convert to fraction form
    631,626/970,868 = 970,868/x
  3. Step 3: Cross multiply
    631,626x = 970,868 × 970,868
  4. Step 4: Simplify right side
    631,626x = 942,584,673,424
  5. Step 5: Solve for x
    x = 942,584,673,424/631,626
  6. Step 6: Final answer
    x = 1,492,314.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.