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Finding the Third Proportional to 11,987 and 26,045

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Solution

The third proportional to 11,987 and 26,045 is: 56,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987 : 26,045 = 26,045 : x
  2. Step 2: Convert to fraction form
    11,987/26,045 = 26,045/x
  3. Step 3: Cross multiply
    11,987x = 26,045 × 26,045
  4. Step 4: Simplify right side
    11,987x = 678,342,025
  5. Step 5: Solve for x
    x = 678,342,025/11,987
  6. Step 6: Final answer
    x = 56,589.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.