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Finding the Third Proportional to 118,860.75 and 239,665.50

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Solution

The third proportional to 118,860.75 and 239,665.50 is: 483,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,860.75 : 239,665.50 = 239,665.50 : x
  2. Step 2: Convert to fraction form
    118,860.75/239,665.50 = 239,665.50/x
  3. Step 3: Cross multiply
    118,860.75x = 239,665.50 × 239,665.50
  4. Step 4: Simplify right side
    118,860.75x = 57,439,551,890.25
  5. Step 5: Solve for x
    x = 57,439,551,890.25/118,860.75
  6. Step 6: Final answer
    x = 483,250.79

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.