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Finding the Third Proportional to 10,177,422 and 21,949,122

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Solution

The third proportional to 10,177,422 and 21,949,122 is: 47,336,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177,422 : 21,949,122 = 21,949,122 : x
  2. Step 2: Convert to fraction form
    10,177,422/21,949,122 = 21,949,122/x
  3. Step 3: Cross multiply
    10,177,422x = 21,949,122 × 21,949,122
  4. Step 4: Simplify right side
    10,177,422x = 481,763,956,570,884
  5. Step 5: Solve for x
    x = 481,763,956,570,884/10,177,422
  6. Step 6: Final answer
    x = 47,336,541.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.