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Finding the Third Proportional to 22,720 and 49,868

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Solution

The third proportional to 22,720 and 49,868 is: 109,454.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720 : 49,868 = 49,868 : x
  2. Step 2: Convert to fraction form
    22,720/49,868 = 49,868/x
  3. Step 3: Cross multiply
    22,720x = 49,868 × 49,868
  4. Step 4: Simplify right side
    22,720x = 2,486,817,424
  5. Step 5: Solve for x
    x = 2,486,817,424/22,720
  6. Step 6: Final answer
    x = 109,454.99

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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.