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Finding the Third Proportional to 188,086.50 and 288,033.75

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Solution

The third proportional to 188,086.50 and 288,033.75 is: 441,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,086.50 : 288,033.75 = 288,033.75 : x
  2. Step 2: Convert to fraction form
    188,086.50/288,033.75 = 288,033.75/x
  3. Step 3: Cross multiply
    188,086.50x = 288,033.75 × 288,033.75
  4. Step 4: Simplify right side
    188,086.50x = 82,963,441,139.06
  5. Step 5: Solve for x
    x = 82,963,441,139.06/188,086.50
  6. Step 6: Final answer
    x = 441,091.95

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.