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Finding the Third Proportional to 3,992,900 and 6,205,928

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Solution

The third proportional to 3,992,900 and 6,205,928 is: 9,645,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,900 : 6,205,928 = 6,205,928 : x
  2. Step 2: Convert to fraction form
    3,992,900/6,205,928 = 6,205,928/x
  3. Step 3: Cross multiply
    3,992,900x = 6,205,928 × 6,205,928
  4. Step 4: Simplify right side
    3,992,900x = 38,513,542,341,184
  5. Step 5: Solve for x
    x = 38,513,542,341,184/3,992,900
  6. Step 6: Final answer
    x = 9,645,506.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.