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Finding the Third Proportional to 626,617 and 1,324,667

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Solution

The third proportional to 626,617 and 1,324,667 is: 2,800,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,617 : 1,324,667 = 1,324,667 : x
  2. Step 2: Convert to fraction form
    626,617/1,324,667 = 1,324,667/x
  3. Step 3: Cross multiply
    626,617x = 1,324,667 × 1,324,667
  4. Step 4: Simplify right side
    626,617x = 1,754,742,660,889
  5. Step 5: Solve for x
    x = 1,754,742,660,889/626,617
  6. Step 6: Final answer
    x = 2,800,343.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.