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Finding the Third Proportional to 55,050.75 and 121,480.88

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Solution

The third proportional to 55,050.75 and 121,480.88 is: 268,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.75 : 121,480.88 = 121,480.88 : x
  2. Step 2: Convert to fraction form
    55,050.75/121,480.88 = 121,480.88/x
  3. Step 3: Cross multiply
    55,050.75x = 121,480.88 × 121,480.88
  4. Step 4: Simplify right side
    55,050.75x = 14,757,602,990.77
  5. Step 5: Solve for x
    x = 14,757,602,990.77/55,050.75
  6. Step 6: Final answer
    x = 268,072.70

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.