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Finding the Third Proportional to 133,938 and 181,905

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Solution

The third proportional to 133,938 and 181,905 is: 247,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,938 : 181,905 = 181,905 : x
  2. Step 2: Convert to fraction form
    133,938/181,905 = 181,905/x
  3. Step 3: Cross multiply
    133,938x = 181,905 × 181,905
  4. Step 4: Simplify right side
    133,938x = 33,089,429,025
  5. Step 5: Solve for x
    x = 33,089,429,025/133,938
  6. Step 6: Final answer
    x = 247,050.34

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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.