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Finding the Third Proportional to 56,568 and 120,912

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Solution

The third proportional to 56,568 and 120,912 is: 258,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,568 : 120,912 = 120,912 : x
  2. Step 2: Convert to fraction form
    56,568/120,912 = 120,912/x
  3. Step 3: Cross multiply
    56,568x = 120,912 × 120,912
  4. Step 4: Simplify right side
    56,568x = 14,619,711,744
  5. Step 5: Solve for x
    x = 14,619,711,744/56,568
  6. Step 6: Final answer
    x = 258,444.91

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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.