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Finding the Third Proportional to 55,530.56 and 122,127.75

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Solution

The third proportional to 55,530.56 and 122,127.75 is: 268,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.56 : 122,127.75 = 122,127.75 : x
  2. Step 2: Convert to fraction form
    55,530.56/122,127.75 = 122,127.75/x
  3. Step 3: Cross multiply
    55,530.56x = 122,127.75 × 122,127.75
  4. Step 4: Simplify right side
    55,530.56x = 14,915,187,320.06
  5. Step 5: Solve for x
    x = 14,915,187,320.06/55,530.56
  6. Step 6: Final answer
    x = 268,594.21

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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.