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Finding the Third Proportional to 22,678 and 52,720

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Solution

The third proportional to 22,678 and 52,720 is: 122,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678 : 52,720 = 52,720 : x
  2. Step 2: Convert to fraction form
    22,678/52,720 = 52,720/x
  3. Step 3: Cross multiply
    22,678x = 52,720 × 52,720
  4. Step 4: Simplify right side
    22,678x = 2,779,398,400
  5. Step 5: Solve for x
    x = 2,779,398,400/22,678
  6. Step 6: Final answer
    x = 122,559.24

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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.