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Finding the Third Proportional to 133,972 and 181,938

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Solution

The third proportional to 133,972 and 181,938 is: 247,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,972 : 181,938 = 181,938 : x
  2. Step 2: Convert to fraction form
    133,972/181,938 = 181,938/x
  3. Step 3: Cross multiply
    133,972x = 181,938 × 181,938
  4. Step 4: Simplify right side
    133,972x = 33,101,435,844
  5. Step 5: Solve for x
    x = 33,101,435,844/133,972
  6. Step 6: Final answer
    x = 247,077.27

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.