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Finding the Third Proportional to 13,158 and 27,719

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Solution

The third proportional to 13,158 and 27,719 is: 58,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158 : 27,719 = 27,719 : x
  2. Step 2: Convert to fraction form
    13,158/27,719 = 27,719/x
  3. Step 3: Cross multiply
    13,158x = 27,719 × 27,719
  4. Step 4: Simplify right side
    13,158x = 768,342,961
  5. Step 5: Solve for x
    x = 768,342,961/13,158
  6. Step 6: Final answer
    x = 58,393.60

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.