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Finding the Third Proportional to 18,391,928 and 43,354,908

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Solution

The third proportional to 18,391,928 and 43,354,908 is: 102,199,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,928 : 43,354,908 = 43,354,908 : x
  2. Step 2: Convert to fraction form
    18,391,928/43,354,908 = 43,354,908/x
  3. Step 3: Cross multiply
    18,391,928x = 43,354,908 × 43,354,908
  4. Step 4: Simplify right side
    18,391,928x = 1,879,648,047,688,464
  5. Step 5: Solve for x
    x = 1,879,648,047,688,464/18,391,928
  6. Step 6: Final answer
    x = 102,199,619.73

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.