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Finding the Third Proportional to 634,923 and 864,640.50

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Solution

The third proportional to 634,923 and 864,640.50 is: 1,177,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,923 : 864,640.50 = 864,640.50 : x
  2. Step 2: Convert to fraction form
    634,923/864,640.50 = 864,640.50/x
  3. Step 3: Cross multiply
    634,923x = 864,640.50 × 864,640.50
  4. Step 4: Simplify right side
    634,923x = 747,603,194,240.25
  5. Step 5: Solve for x
    x = 747,603,194,240.25/634,923
  6. Step 6: Final answer
    x = 1,177,470.64

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.