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Finding the Third Proportional to 57,848 and 86,544

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Solution

The third proportional to 57,848 and 86,544 is: 129,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848 : 86,544 = 86,544 : x
  2. Step 2: Convert to fraction form
    57,848/86,544 = 86,544/x
  3. Step 3: Cross multiply
    57,848x = 86,544 × 86,544
  4. Step 4: Simplify right side
    57,848x = 7,489,863,936
  5. Step 5: Solve for x
    x = 7,489,863,936/57,848
  6. Step 6: Final answer
    x = 129,474.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.