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Finding the Third Proportional to 74,134,508 and 154,405,083

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Solution

The third proportional to 74,134,508 and 154,405,083 is: 321,590,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,134,508 : 154,405,083 = 154,405,083 : x
  2. Step 2: Convert to fraction form
    74,134,508/154,405,083 = 154,405,083/x
  3. Step 3: Cross multiply
    74,134,508x = 154,405,083 × 154,405,083
  4. Step 4: Simplify right side
    74,134,508x = 23,840,929,656,236,888
  5. Step 5: Solve for x
    x = 23,840,929,656,236,888/74,134,508
  6. Step 6: Final answer
    x = 321,590,178.44

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.