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Finding the Third Proportional to 489,899 and 1,049,782

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Solution

The third proportional to 489,899 and 1,049,782 is: 2,249,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,899 : 1,049,782 = 1,049,782 : x
  2. Step 2: Convert to fraction form
    489,899/1,049,782 = 1,049,782/x
  3. Step 3: Cross multiply
    489,899x = 1,049,782 × 1,049,782
  4. Step 4: Simplify right side
    489,899x = 1,102,042,247,524
  5. Step 5: Solve for x
    x = 1,102,042,247,524/489,899
  6. Step 6: Final answer
    x = 2,249,529.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.