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Finding the Third Proportional to 401,958.75 and 836,995.50

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Solution

The third proportional to 401,958.75 and 836,995.50 is: 1,742,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,958.75 : 836,995.50 = 836,995.50 : x
  2. Step 2: Convert to fraction form
    401,958.75/836,995.50 = 836,995.50/x
  3. Step 3: Cross multiply
    401,958.75x = 836,995.50 × 836,995.50
  4. Step 4: Simplify right side
    401,958.75x = 700,561,467,020.25
  5. Step 5: Solve for x
    x = 700,561,467,020.25/401,958.75
  6. Step 6: Final answer
    x = 1,742,869.06

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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.