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Finding the Third Proportional to 1,898,685 and 3,867,867

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Solution

The third proportional to 1,898,685 and 3,867,867 is: 7,879,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,685 : 3,867,867 = 3,867,867 : x
  2. Step 2: Convert to fraction form
    1,898,685/3,867,867 = 3,867,867/x
  3. Step 3: Cross multiply
    1,898,685x = 3,867,867 × 3,867,867
  4. Step 4: Simplify right side
    1,898,685x = 14,960,395,129,689
  5. Step 5: Solve for x
    x = 14,960,395,129,689/1,898,685
  6. Step 6: Final answer
    x = 7,879,345.51

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.