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Finding the Third Proportional to 814,923 and 1,239,940.50

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Solution

The third proportional to 814,923 and 1,239,940.50 is: 1,886,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,923 : 1,239,940.50 = 1,239,940.50 : x
  2. Step 2: Convert to fraction form
    814,923/1,239,940.50 = 1,239,940.50/x
  3. Step 3: Cross multiply
    814,923x = 1,239,940.50 × 1,239,940.50
  4. Step 4: Simplify right side
    814,923x = 1,537,452,443,540.25
  5. Step 5: Solve for x
    x = 1,537,452,443,540.25/814,923
  6. Step 6: Final answer
    x = 1,886,622.96

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.