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Finding the Third Proportional to 13,591 and 21,623

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Solution

The third proportional to 13,591 and 21,623 is: 34,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591 : 21,623 = 21,623 : x
  2. Step 2: Convert to fraction form
    13,591/21,623 = 21,623/x
  3. Step 3: Cross multiply
    13,591x = 21,623 × 21,623
  4. Step 4: Simplify right side
    13,591x = 467,554,129
  5. Step 5: Solve for x
    x = 467,554,129/13,591
  6. Step 6: Final answer
    x = 34,401.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.