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Finding the Third Proportional to 6,206 and 9,172

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Solution

The third proportional to 6,206 and 9,172 is: 13,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206 : 9,172 = 9,172 : x
  2. Step 2: Convert to fraction form
    6,206/9,172 = 9,172/x
  3. Step 3: Cross multiply
    6,206x = 9,172 × 9,172
  4. Step 4: Simplify right side
    6,206x = 84,125,584
  5. Step 5: Solve for x
    x = 84,125,584/6,206
  6. Step 6: Final answer
    x = 13,555.52

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.