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Finding the Third Proportional to 172,157,238 and 368,874,936

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Solution

The third proportional to 172,157,238 and 368,874,936 is: 790,374,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,157,238 : 368,874,936 = 368,874,936 : x
  2. Step 2: Convert to fraction form
    172,157,238/368,874,936 = 368,874,936/x
  3. Step 3: Cross multiply
    172,157,238x = 368,874,936 × 368,874,936
  4. Step 4: Simplify right side
    172,157,238x = 136,068,718,409,004,096
  5. Step 5: Solve for x
    x = 136,068,718,409,004,096/172,157,238
  6. Step 6: Final answer
    x = 790,374,659.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.