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Finding the Third Proportional to 117,139,505 and 171,397,262

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Solution

The third proportional to 117,139,505 and 171,397,262 is: 250,786,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,139,505 : 171,397,262 = 171,397,262 : x
  2. Step 2: Convert to fraction form
    117,139,505/171,397,262 = 171,397,262/x
  3. Step 3: Cross multiply
    117,139,505x = 171,397,262 × 171,397,262
  4. Step 4: Simplify right side
    117,139,505x = 29,377,021,421,096,644
  5. Step 5: Solve for x
    x = 29,377,021,421,096,644/117,139,505
  6. Step 6: Final answer
    x = 250,786,627.63

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.