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Finding the Third Proportional to 39,800,454 and 84,383,868

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Solution

The third proportional to 39,800,454 and 84,383,868 is: 178,908,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,800,454 : 84,383,868 = 84,383,868 : x
  2. Step 2: Convert to fraction form
    39,800,454/84,383,868 = 84,383,868/x
  3. Step 3: Cross multiply
    39,800,454x = 84,383,868 × 84,383,868
  4. Step 4: Simplify right side
    39,800,454x = 7,120,637,178,641,424
  5. Step 5: Solve for x
    x = 7,120,637,178,641,424/39,800,454
  6. Step 6: Final answer
    x = 178,908,441.06

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.