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Finding the Third Proportional to 56,203.88 and 122,826.38

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Solution

The third proportional to 56,203.88 and 122,826.38 is: 268,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.88 : 122,826.38 = 122,826.38 : x
  2. Step 2: Convert to fraction form
    56,203.88/122,826.38 = 122,826.38/x
  3. Step 3: Cross multiply
    56,203.88x = 122,826.38 × 122,826.38
  4. Step 4: Simplify right side
    56,203.88x = 15,086,318,395.64
  5. Step 5: Solve for x
    x = 15,086,318,395.64/56,203.88
  6. Step 6: Final answer
    x = 268,421.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.