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Finding the Third Proportional to 479,288 and 751,845

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Solution

The third proportional to 479,288 and 751,845 is: 1,179,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,288 : 751,845 = 751,845 : x
  2. Step 2: Convert to fraction form
    479,288/751,845 = 751,845/x
  3. Step 3: Cross multiply
    479,288x = 751,845 × 751,845
  4. Step 4: Simplify right side
    479,288x = 565,270,904,025
  5. Step 5: Solve for x
    x = 565,270,904,025/479,288
  6. Step 6: Final answer
    x = 1,179,397.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.