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Finding the Third Proportional to 1,353,991 and 2,919,578

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Solution

The third proportional to 1,353,991 and 2,919,578 is: 6,295,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,991 : 2,919,578 = 2,919,578 : x
  2. Step 2: Convert to fraction form
    1,353,991/2,919,578 = 2,919,578/x
  3. Step 3: Cross multiply
    1,353,991x = 2,919,578 × 2,919,578
  4. Step 4: Simplify right side
    1,353,991x = 8,523,935,698,084
  5. Step 5: Solve for x
    x = 8,523,935,698,084/1,353,991
  6. Step 6: Final answer
    x = 6,295,415.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.