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Finding the Third Proportional to 1,251,575 and 2,691,781

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Solution

The third proportional to 1,251,575 and 2,691,781 is: 5,789,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,575 : 2,691,781 = 2,691,781 : x
  2. Step 2: Convert to fraction form
    1,251,575/2,691,781 = 2,691,781/x
  3. Step 3: Cross multiply
    1,251,575x = 2,691,781 × 2,691,781
  4. Step 4: Simplify right side
    1,251,575x = 7,245,684,951,961
  5. Step 5: Solve for x
    x = 7,245,684,951,961/1,251,575
  6. Step 6: Final answer
    x = 5,789,253.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.