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Finding the Third Proportional to 5,916 and 13,120

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Solution

The third proportional to 5,916 and 13,120 is: 29,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916 : 13,120 = 13,120 : x
  2. Step 2: Convert to fraction form
    5,916/13,120 = 13,120/x
  3. Step 3: Cross multiply
    5,916x = 13,120 × 13,120
  4. Step 4: Simplify right side
    5,916x = 172,134,400
  5. Step 5: Solve for x
    x = 172,134,400/5,916
  6. Step 6: Final answer
    x = 29,096.42

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.