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Finding the Third Proportional to 55,256.25 and 120,633.75

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Solution

The third proportional to 55,256.25 and 120,633.75 is: 263,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.25 : 120,633.75 = 120,633.75 : x
  2. Step 2: Convert to fraction form
    55,256.25/120,633.75 = 120,633.75/x
  3. Step 3: Cross multiply
    55,256.25x = 120,633.75 × 120,633.75
  4. Step 4: Simplify right side
    55,256.25x = 14,552,501,639.06
  5. Step 5: Solve for x
    x = 14,552,501,639.06/55,256.25
  6. Step 6: Final answer
    x = 263,363.90

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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.