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Finding the Third Proportional to 62,769,170 and 135,156,760

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Solution

The third proportional to 62,769,170 and 135,156,760 is: 291,024,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,769,170 : 135,156,760 = 135,156,760 : x
  2. Step 2: Convert to fraction form
    62,769,170/135,156,760 = 135,156,760/x
  3. Step 3: Cross multiply
    62,769,170x = 135,156,760 × 135,156,760
  4. Step 4: Simplify right side
    62,769,170x = 18,267,349,773,697,600
  5. Step 5: Solve for x
    x = 18,267,349,773,697,600/62,769,170
  6. Step 6: Final answer
    x = 291,024,236.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.