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Finding the Third Proportional to 622,626.75 and 939,658.50

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Solution

The third proportional to 622,626.75 and 939,658.50 is: 1,418,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,626.75 : 939,658.50 = 939,658.50 : x
  2. Step 2: Convert to fraction form
    622,626.75/939,658.50 = 939,658.50/x
  3. Step 3: Cross multiply
    622,626.75x = 939,658.50 × 939,658.50
  4. Step 4: Simplify right side
    622,626.75x = 882,958,096,622.25
  5. Step 5: Solve for x
    x = 882,958,096,622.25/622,626.75
  6. Step 6: Final answer
    x = 1,418,117.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.