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Finding the Third Proportional to 7,841 and 16,555

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Solution

The third proportional to 7,841 and 16,555 is: 34,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841 : 16,555 = 16,555 : x
  2. Step 2: Convert to fraction form
    7,841/16,555 = 16,555/x
  3. Step 3: Cross multiply
    7,841x = 16,555 × 16,555
  4. Step 4: Simplify right side
    7,841x = 274,068,025
  5. Step 5: Solve for x
    x = 274,068,025/7,841
  6. Step 6: Final answer
    x = 34,953.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.