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Finding the Third Proportional to 22,118 and 51,242

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Solution

The third proportional to 22,118 and 51,242 is: 118,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118 : 51,242 = 51,242 : x
  2. Step 2: Convert to fraction form
    22,118/51,242 = 51,242/x
  3. Step 3: Cross multiply
    22,118x = 51,242 × 51,242
  4. Step 4: Simplify right side
    22,118x = 2,625,742,564
  5. Step 5: Solve for x
    x = 2,625,742,564/22,118
  6. Step 6: Final answer
    x = 118,715.19

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.