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Finding the Third Proportional to 15,595 and 33,781

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Solution

The third proportional to 15,595 and 33,781 is: 73,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595 : 33,781 = 33,781 : x
  2. Step 2: Convert to fraction form
    15,595/33,781 = 33,781/x
  3. Step 3: Cross multiply
    15,595x = 33,781 × 33,781
  4. Step 4: Simplify right side
    15,595x = 1,141,155,961
  5. Step 5: Solve for x
    x = 1,141,155,961/15,595
  6. Step 6: Final answer
    x = 73,174.48

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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.