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Finding the Third Proportional to 17,605 and 26,411

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Solution

The third proportional to 17,605 and 26,411 is: 39,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605 : 26,411 = 26,411 : x
  2. Step 2: Convert to fraction form
    17,605/26,411 = 26,411/x
  3. Step 3: Cross multiply
    17,605x = 26,411 × 26,411
  4. Step 4: Simplify right side
    17,605x = 697,540,921
  5. Step 5: Solve for x
    x = 697,540,921/17,605
  6. Step 6: Final answer
    x = 39,621.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.