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Finding the Third Proportional to 8,363 and 12,545

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Solution

The third proportional to 8,363 and 12,545 is: 18,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363 : 12,545 = 12,545 : x
  2. Step 2: Convert to fraction form
    8,363/12,545 = 12,545/x
  3. Step 3: Cross multiply
    8,363x = 12,545 × 12,545
  4. Step 4: Simplify right side
    8,363x = 157,377,025
  5. Step 5: Solve for x
    x = 157,377,025/8,363
  6. Step 6: Final answer
    x = 18,818.25

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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.