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Finding the Third Proportional to 133,318 and 187,503

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Solution

The third proportional to 133,318 and 187,503 is: 263,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,318 : 187,503 = 187,503 : x
  2. Step 2: Convert to fraction form
    133,318/187,503 = 187,503/x
  3. Step 3: Cross multiply
    133,318x = 187,503 × 187,503
  4. Step 4: Simplify right side
    133,318x = 35,157,375,009
  5. Step 5: Solve for x
    x = 35,157,375,009/133,318
  6. Step 6: Final answer
    x = 263,710.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.