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Finding the Third Proportional to 571,940 and 1,255,912

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Solution

The third proportional to 571,940 and 1,255,912 is: 2,757,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,940 : 1,255,912 = 1,255,912 : x
  2. Step 2: Convert to fraction form
    571,940/1,255,912 = 1,255,912/x
  3. Step 3: Cross multiply
    571,940x = 1,255,912 × 1,255,912
  4. Step 4: Simplify right side
    571,940x = 1,577,314,951,744
  5. Step 5: Solve for x
    x = 1,577,314,951,744/571,940
  6. Step 6: Final answer
    x = 2,757,832.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.