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Finding the Third Proportional to 22,220 and 48,945

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Solution

The third proportional to 22,220 and 48,945 is: 107,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220 : 48,945 = 48,945 : x
  2. Step 2: Convert to fraction form
    22,220/48,945 = 48,945/x
  3. Step 3: Cross multiply
    22,220x = 48,945 × 48,945
  4. Step 4: Simplify right side
    22,220x = 2,395,613,025
  5. Step 5: Solve for x
    x = 2,395,613,025/22,220
  6. Step 6: Final answer
    x = 107,813.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.