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Finding the Third Proportional to 55,517.63 and 122,106.38

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Solution

The third proportional to 55,517.63 and 122,106.38 is: 268,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.63 : 122,106.38 = 122,106.38 : x
  2. Step 2: Convert to fraction form
    55,517.63/122,106.38 = 122,106.38/x
  3. Step 3: Cross multiply
    55,517.63x = 122,106.38 × 122,106.38
  4. Step 4: Simplify right side
    55,517.63x = 14,909,966,815.64
  5. Step 5: Solve for x
    x = 14,909,966,815.64/55,517.63
  6. Step 6: Final answer
    x = 268,562.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.