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Finding the Third Proportional to 134,087 and 198,811

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Solution

The third proportional to 134,087 and 198,811 is: 294,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,087 : 198,811 = 198,811 : x
  2. Step 2: Convert to fraction form
    134,087/198,811 = 198,811/x
  3. Step 3: Cross multiply
    134,087x = 198,811 × 198,811
  4. Step 4: Simplify right side
    134,087x = 39,525,813,721
  5. Step 5: Solve for x
    x = 39,525,813,721/134,087
  6. Step 6: Final answer
    x = 294,777.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.