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Finding the Third Proportional to 10,423 and 14,677

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Solution

The third proportional to 10,423 and 14,677 is: 20,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423 : 14,677 = 14,677 : x
  2. Step 2: Convert to fraction form
    10,423/14,677 = 14,677/x
  3. Step 3: Cross multiply
    10,423x = 14,677 × 14,677
  4. Step 4: Simplify right side
    10,423x = 215,414,329
  5. Step 5: Solve for x
    x = 215,414,329/10,423
  6. Step 6: Final answer
    x = 20,667.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.