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Finding the Third Proportional to 5,128,153 and 10,942,753

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Solution

The third proportional to 5,128,153 and 10,942,753 is: 23,350,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,153 : 10,942,753 = 10,942,753 : x
  2. Step 2: Convert to fraction form
    5,128,153/10,942,753 = 10,942,753/x
  3. Step 3: Cross multiply
    5,128,153x = 10,942,753 × 10,942,753
  4. Step 4: Simplify right side
    5,128,153x = 119,743,843,219,009
  5. Step 5: Solve for x
    x = 119,743,843,219,009/5,128,153
  6. Step 6: Final answer
    x = 23,350,286.78

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.