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Finding the Third Proportional to 512,245 and 751,759

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Solution

The third proportional to 512,245 and 751,759 is: 1,103,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,245 : 751,759 = 751,759 : x
  2. Step 2: Convert to fraction form
    512,245/751,759 = 751,759/x
  3. Step 3: Cross multiply
    512,245x = 751,759 × 751,759
  4. Step 4: Simplify right side
    512,245x = 565,141,594,081
  5. Step 5: Solve for x
    x = 565,141,594,081/512,245
  6. Step 6: Final answer
    x = 1,103,264.25

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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.