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Finding the Third Proportional to 168,148,828 and 253,425,956

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Solution

The third proportional to 168,148,828 and 253,425,956 is: 381,951,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,148,828 : 253,425,956 = 253,425,956 : x
  2. Step 2: Convert to fraction form
    168,148,828/253,425,956 = 253,425,956/x
  3. Step 3: Cross multiply
    168,148,828x = 253,425,956 × 253,425,956
  4. Step 4: Simplify right side
    168,148,828x = 64,224,715,174,513,936
  5. Step 5: Solve for x
    x = 64,224,715,174,513,936/168,148,828
  6. Step 6: Final answer
    x = 381,951,607.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.