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Finding the Third Proportional to 55,209.50 and 119,754.50

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Solution

The third proportional to 55,209.50 and 119,754.50 is: 259,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.50 : 119,754.50 = 119,754.50 : x
  2. Step 2: Convert to fraction form
    55,209.50/119,754.50 = 119,754.50/x
  3. Step 3: Cross multiply
    55,209.50x = 119,754.50 × 119,754.50
  4. Step 4: Simplify right side
    55,209.50x = 14,341,140,270.25
  5. Step 5: Solve for x
    x = 14,341,140,270.25/55,209.50
  6. Step 6: Final answer
    x = 259,758.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.