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Finding the Third Proportional to 7,685 and 16,762

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Solution

The third proportional to 7,685 and 16,762 is: 36,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685 : 16,762 = 16,762 : x
  2. Step 2: Convert to fraction form
    7,685/16,762 = 16,762/x
  3. Step 3: Cross multiply
    7,685x = 16,762 × 16,762
  4. Step 4: Simplify right side
    7,685x = 280,964,644
  5. Step 5: Solve for x
    x = 280,964,644/7,685
  6. Step 6: Final answer
    x = 36,560.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.