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Finding the Third Proportional to 74,184,812 and 159,338,968

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Solution

The third proportional to 74,184,812 and 159,338,968 is: 342,238,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184,812 : 159,338,968 = 159,338,968 : x
  2. Step 2: Convert to fraction form
    74,184,812/159,338,968 = 159,338,968/x
  3. Step 3: Cross multiply
    74,184,812x = 159,338,968 × 159,338,968
  4. Step 4: Simplify right side
    74,184,812x = 25,388,906,723,305,024
  5. Step 5: Solve for x
    x = 25,388,906,723,305,024/74,184,812
  6. Step 6: Final answer
    x = 342,238,607.05

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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.