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Finding the Third Proportional to 7,655 and 16,766

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Solution

The third proportional to 7,655 and 16,766 is: 36,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655 : 16,766 = 16,766 : x
  2. Step 2: Convert to fraction form
    7,655/16,766 = 16,766/x
  3. Step 3: Cross multiply
    7,655x = 16,766 × 16,766
  4. Step 4: Simplify right side
    7,655x = 281,098,756
  5. Step 5: Solve for x
    x = 281,098,756/7,655
  6. Step 6: Final answer
    x = 36,720.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.