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Finding the Third Proportional to 401,951.25 and 836,979.75

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Solution

The third proportional to 401,951.25 and 836,979.75 is: 1,742,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,951.25 : 836,979.75 = 836,979.75 : x
  2. Step 2: Convert to fraction form
    401,951.25/836,979.75 = 836,979.75/x
  3. Step 3: Cross multiply
    401,951.25x = 836,979.75 × 836,979.75
  4. Step 4: Simplify right side
    401,951.25x = 700,535,101,910.06
  5. Step 5: Solve for x
    x = 700,535,101,910.06/401,951.25
  6. Step 6: Final answer
    x = 1,742,835.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.