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Finding the Third Proportional to 11,240 and 24,642

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Solution

The third proportional to 11,240 and 24,642 is: 54,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240 : 24,642 = 24,642 : x
  2. Step 2: Convert to fraction form
    11,240/24,642 = 24,642/x
  3. Step 3: Cross multiply
    11,240x = 24,642 × 24,642
  4. Step 4: Simplify right side
    11,240x = 607,228,164
  5. Step 5: Solve for x
    x = 607,228,164/11,240
  6. Step 6: Final answer
    x = 54,023.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.