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Finding the Third Proportional to 720,951.75 and 1,120,794.75

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Solution

The third proportional to 720,951.75 and 1,120,794.75 is: 1,742,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,951.75 : 1,120,794.75 = 1,120,794.75 : x
  2. Step 2: Convert to fraction form
    720,951.75/1,120,794.75 = 1,120,794.75/x
  3. Step 3: Cross multiply
    720,951.75x = 1,120,794.75 × 1,120,794.75
  4. Step 4: Simplify right side
    720,951.75x = 1,256,180,871,627.56
  5. Step 5: Solve for x
    x = 1,256,180,871,627.56/720,951.75
  6. Step 6: Final answer
    x = 1,742,392.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.