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Finding the Third Proportional to 11,230 and 17,617

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Solution

The third proportional to 11,230 and 17,617 is: 27,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230 : 17,617 = 17,617 : x
  2. Step 2: Convert to fraction form
    11,230/17,617 = 17,617/x
  3. Step 3: Cross multiply
    11,230x = 17,617 × 17,617
  4. Step 4: Simplify right side
    11,230x = 310,358,689
  5. Step 5: Solve for x
    x = 310,358,689/11,230
  6. Step 6: Final answer
    x = 27,636.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.