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Finding the Third Proportional to 11,769 and 17,261

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Solution

The third proportional to 11,769 and 17,261 is: 25,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769 : 17,261 = 17,261 : x
  2. Step 2: Convert to fraction form
    11,769/17,261 = 17,261/x
  3. Step 3: Cross multiply
    11,769x = 17,261 × 17,261
  4. Step 4: Simplify right side
    11,769x = 297,942,121
  5. Step 5: Solve for x
    x = 297,942,121/11,769
  6. Step 6: Final answer
    x = 25,315.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.