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Finding the Third Proportional to 11,742 and 17,553

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Solution

The third proportional to 11,742 and 17,553 is: 26,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742 : 17,553 = 17,553 : x
  2. Step 2: Convert to fraction form
    11,742/17,553 = 17,553/x
  3. Step 3: Cross multiply
    11,742x = 17,553 × 17,553
  4. Step 4: Simplify right side
    11,742x = 308,107,809
  5. Step 5: Solve for x
    x = 308,107,809/11,742
  6. Step 6: Final answer
    x = 26,239.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.