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Finding the Third Proportional to 774,490 and 1,183,919

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Solution

The third proportional to 774,490 and 1,183,919 is: 1,809,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,490 : 1,183,919 = 1,183,919 : x
  2. Step 2: Convert to fraction form
    774,490/1,183,919 = 1,183,919/x
  3. Step 3: Cross multiply
    774,490x = 1,183,919 × 1,183,919
  4. Step 4: Simplify right side
    774,490x = 1,401,664,198,561
  5. Step 5: Solve for x
    x = 1,401,664,198,561/774,490
  6. Step 6: Final answer
    x = 1,809,789.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.