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Finding the Third Proportional to 11,796 and 18,910

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Solution

The third proportional to 11,796 and 18,910 is: 30,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796 : 18,910 = 18,910 : x
  2. Step 2: Convert to fraction form
    11,796/18,910 = 18,910/x
  3. Step 3: Cross multiply
    11,796x = 18,910 × 18,910
  4. Step 4: Simplify right side
    11,796x = 357,588,100
  5. Step 5: Solve for x
    x = 357,588,100/11,796
  6. Step 6: Final answer
    x = 30,314.35

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.