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Finding the Third Proportional to 8,602 and 13,823

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Solution

The third proportional to 8,602 and 13,823 is: 22,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602 : 13,823 = 13,823 : x
  2. Step 2: Convert to fraction form
    8,602/13,823 = 13,823/x
  3. Step 3: Cross multiply
    8,602x = 13,823 × 13,823
  4. Step 4: Simplify right side
    8,602x = 191,075,329
  5. Step 5: Solve for x
    x = 191,075,329/8,602
  6. Step 6: Final answer
    x = 22,212.90

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.