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Finding the Third Proportional to 11,894 and 28,127

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Solution

The third proportional to 11,894 and 28,127 is: 66,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894 : 28,127 = 28,127 : x
  2. Step 2: Convert to fraction form
    11,894/28,127 = 28,127/x
  3. Step 3: Cross multiply
    11,894x = 28,127 × 28,127
  4. Step 4: Simplify right side
    11,894x = 791,128,129
  5. Step 5: Solve for x
    x = 791,128,129/11,894
  6. Step 6: Final answer
    x = 66,514.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.