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Finding the Third Proportional to 8,463 and 12,657

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Solution

The third proportional to 8,463 and 12,657 is: 18,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463 : 12,657 = 12,657 : x
  2. Step 2: Convert to fraction form
    8,463/12,657 = 12,657/x
  3. Step 3: Cross multiply
    8,463x = 12,657 × 12,657
  4. Step 4: Simplify right side
    8,463x = 160,199,649
  5. Step 5: Solve for x
    x = 160,199,649/8,463
  6. Step 6: Final answer
    x = 18,929.42

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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.