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Finding the Third Proportional to 17,992,380 and 39,179,399

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Solution

The third proportional to 17,992,380 and 39,179,399 is: 85,315,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992,380 : 39,179,399 = 39,179,399 : x
  2. Step 2: Convert to fraction form
    17,992,380/39,179,399 = 39,179,399/x
  3. Step 3: Cross multiply
    17,992,380x = 39,179,399 × 39,179,399
  4. Step 4: Simplify right side
    17,992,380x = 1,535,025,306,001,201
  5. Step 5: Solve for x
    x = 1,535,025,306,001,201/17,992,380
  6. Step 6: Final answer
    x = 85,315,300.48

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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.