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Finding the Third Proportional to 13,279 and 18,613

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Solution

The third proportional to 13,279 and 18,613 is: 26,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279 : 18,613 = 18,613 : x
  2. Step 2: Convert to fraction form
    13,279/18,613 = 18,613/x
  3. Step 3: Cross multiply
    13,279x = 18,613 × 18,613
  4. Step 4: Simplify right side
    13,279x = 346,443,769
  5. Step 5: Solve for x
    x = 346,443,769/13,279
  6. Step 6: Final answer
    x = 26,089.60

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.