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Finding the Third Proportional to 119,787.75 and 179,685

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Solution

The third proportional to 119,787.75 and 179,685 is: 269,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,787.75 : 179,685 = 179,685 : x
  2. Step 2: Convert to fraction form
    119,787.75/179,685 = 179,685/x
  3. Step 3: Cross multiply
    119,787.75x = 179,685 × 179,685
  4. Step 4: Simplify right side
    119,787.75x = 32,286,699,225
  5. Step 5: Solve for x
    x = 32,286,699,225/119,787.75
  6. Step 6: Final answer
    x = 269,532.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.