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Finding the Third Proportional to 56,408.27 and 122,935.22

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Solution

The third proportional to 56,408.27 and 122,935.22 is: 267,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.27 : 122,935.22 = 122,935.22 : x
  2. Step 2: Convert to fraction form
    56,408.27/122,935.22 = 122,935.22/x
  3. Step 3: Cross multiply
    56,408.27x = 122,935.22 × 122,935.22
  4. Step 4: Simplify right side
    56,408.27x = 15,113,068,009.11
  5. Step 5: Solve for x
    x = 15,113,068,009.11/56,408.27
  6. Step 6: Final answer
    x = 267,922.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.