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Finding the Third Proportional to 15,777 and 33,938

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Solution

The third proportional to 15,777 and 33,938 is: 73,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777 : 33,938 = 33,938 : x
  2. Step 2: Convert to fraction form
    15,777/33,938 = 33,938/x
  3. Step 3: Cross multiply
    15,777x = 33,938 × 33,938
  4. Step 4: Simplify right side
    15,777x = 1,151,787,844
  5. Step 5: Solve for x
    x = 1,151,787,844/15,777
  6. Step 6: Final answer
    x = 73,004.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.