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Finding the Third Proportional to 13,642 and 18,595

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Solution

The third proportional to 13,642 and 18,595 is: 25,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642 : 18,595 = 18,595 : x
  2. Step 2: Convert to fraction form
    13,642/18,595 = 18,595/x
  3. Step 3: Cross multiply
    13,642x = 18,595 × 18,595
  4. Step 4: Simplify right side
    13,642x = 345,774,025
  5. Step 5: Solve for x
    x = 345,774,025/13,642
  6. Step 6: Final answer
    x = 25,346.29

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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.