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Finding the Third Proportional to 56,954 and 87,661

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Solution

The third proportional to 56,954 and 87,661 is: 134,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,954 : 87,661 = 87,661 : x
  2. Step 2: Convert to fraction form
    56,954/87,661 = 87,661/x
  3. Step 3: Cross multiply
    56,954x = 87,661 × 87,661
  4. Step 4: Simplify right side
    56,954x = 7,684,450,921
  5. Step 5: Solve for x
    x = 7,684,450,921/56,954
  6. Step 6: Final answer
    x = 134,923.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.