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Finding the Third Proportional to 667,780 and 1,001,478

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Solution

The third proportional to 667,780 and 1,001,478 is: 1,501,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,780 : 1,001,478 = 1,001,478 : x
  2. Step 2: Convert to fraction form
    667,780/1,001,478 = 1,001,478/x
  3. Step 3: Cross multiply
    667,780x = 1,001,478 × 1,001,478
  4. Step 4: Simplify right side
    667,780x = 1,002,958,184,484
  5. Step 5: Solve for x
    x = 1,002,958,184,484/667,780
  6. Step 6: Final answer
    x = 1,501,929.06

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