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Finding the Third Proportional to 5,426 and 11,788

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Solution

The third proportional to 5,426 and 11,788 is: 25,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426 : 11,788 = 11,788 : x
  2. Step 2: Convert to fraction form
    5,426/11,788 = 11,788/x
  3. Step 3: Cross multiply
    5,426x = 11,788 × 11,788
  4. Step 4: Simplify right side
    5,426x = 138,956,944
  5. Step 5: Solve for x
    x = 138,956,944/5,426
  6. Step 6: Final answer
    x = 25,609.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.