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Finding the Third Proportional to 133,087 and 288,635

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Solution

The third proportional to 133,087 and 288,635 is: 625,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087 : 288,635 = 288,635 : x
  2. Step 2: Convert to fraction form
    133,087/288,635 = 288,635/x
  3. Step 3: Cross multiply
    133,087x = 288,635 × 288,635
  4. Step 4: Simplify right side
    133,087x = 83,310,163,225
  5. Step 5: Solve for x
    x = 83,310,163,225/133,087
  6. Step 6: Final answer
    x = 625,982.73

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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.