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Finding the Third Proportional to 7,684 and 16,770

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Solution

The third proportional to 7,684 and 16,770 is: 36,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684 : 16,770 = 16,770 : x
  2. Step 2: Convert to fraction form
    7,684/16,770 = 16,770/x
  3. Step 3: Cross multiply
    7,684x = 16,770 × 16,770
  4. Step 4: Simplify right side
    7,684x = 281,232,900
  5. Step 5: Solve for x
    x = 281,232,900/7,684
  6. Step 6: Final answer
    x = 36,599.80

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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.