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Finding the Third Proportional to 554,867 and 1,210,267

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Solution

The third proportional to 554,867 and 1,210,267 is: 2,639,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,867 : 1,210,267 = 1,210,267 : x
  2. Step 2: Convert to fraction form
    554,867/1,210,267 = 1,210,267/x
  3. Step 3: Cross multiply
    554,867x = 1,210,267 × 1,210,267
  4. Step 4: Simplify right side
    554,867x = 1,464,746,211,289
  5. Step 5: Solve for x
    x = 1,464,746,211,289/554,867
  6. Step 6: Final answer
    x = 2,639,814.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.