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Finding the Third Proportional to 11,985 and 26,355

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Solution

The third proportional to 11,985 and 26,355 is: 57,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985 : 26,355 = 26,355 : x
  2. Step 2: Convert to fraction form
    11,985/26,355 = 26,355/x
  3. Step 3: Cross multiply
    11,985x = 26,355 × 26,355
  4. Step 4: Simplify right side
    11,985x = 694,586,025
  5. Step 5: Solve for x
    x = 694,586,025/11,985
  6. Step 6: Final answer
    x = 57,954.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.