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Finding the Third Proportional to 512,238.75 and 751,750.50

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Solution

The third proportional to 512,238.75 and 751,750.50 is: 1,103,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,238.75 : 751,750.50 = 751,750.50 : x
  2. Step 2: Convert to fraction form
    512,238.75/751,750.50 = 751,750.50/x
  3. Step 3: Cross multiply
    512,238.75x = 751,750.50 × 751,750.50
  4. Step 4: Simplify right side
    512,238.75x = 565,128,814,250.25
  5. Step 5: Solve for x
    x = 565,128,814,250.25/512,238.75
  6. Step 6: Final answer
    x = 1,103,252.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.