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Finding the Third Proportional to 12,793 and 27,421

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Solution

The third proportional to 12,793 and 27,421 is: 58,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793 : 27,421 = 27,421 : x
  2. Step 2: Convert to fraction form
    12,793/27,421 = 27,421/x
  3. Step 3: Cross multiply
    12,793x = 27,421 × 27,421
  4. Step 4: Simplify right side
    12,793x = 751,911,241
  5. Step 5: Solve for x
    x = 751,911,241/12,793
  6. Step 6: Final answer
    x = 58,775.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.