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Finding the Third Proportional to 17,212 and 26,628

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Solution

The third proportional to 17,212 and 26,628 is: 41,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212 : 26,628 = 26,628 : x
  2. Step 2: Convert to fraction form
    17,212/26,628 = 26,628/x
  3. Step 3: Cross multiply
    17,212x = 26,628 × 26,628
  4. Step 4: Simplify right side
    17,212x = 709,050,384
  5. Step 5: Solve for x
    x = 709,050,384/17,212
  6. Step 6: Final answer
    x = 41,195.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.