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Finding the Third Proportional to 55,243.11 and 120,606.43

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Solution

The third proportional to 55,243.11 and 120,606.43 is: 263,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.11 : 120,606.43 = 120,606.43 : x
  2. Step 2: Convert to fraction form
    55,243.11/120,606.43 = 120,606.43/x
  3. Step 3: Cross multiply
    55,243.11x = 120,606.43 × 120,606.43
  4. Step 4: Simplify right side
    55,243.11x = 14,545,910,764.18
  5. Step 5: Solve for x
    x = 14,545,910,764.18/55,243.11
  6. Step 6: Final answer
    x = 263,307.25

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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.