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Finding the Third Proportional to 1,928,855 and 4,148,035

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Solution

The third proportional to 1,928,855 and 4,148,035 is: 8,920,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,855 : 4,148,035 = 4,148,035 : x
  2. Step 2: Convert to fraction form
    1,928,855/4,148,035 = 4,148,035/x
  3. Step 3: Cross multiply
    1,928,855x = 4,148,035 × 4,148,035
  4. Step 4: Simplify right side
    1,928,855x = 17,206,194,361,225
  5. Step 5: Solve for x
    x = 17,206,194,361,225/1,928,855
  6. Step 6: Final answer
    x = 8,920,418.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.