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Finding the Third Proportional to 26,220 and 57,624

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Solution

The third proportional to 26,220 and 57,624 is: 126,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220 : 57,624 = 57,624 : x
  2. Step 2: Convert to fraction form
    26,220/57,624 = 57,624/x
  3. Step 3: Cross multiply
    26,220x = 57,624 × 57,624
  4. Step 4: Simplify right side
    26,220x = 3,320,525,376
  5. Step 5: Solve for x
    x = 3,320,525,376/26,220
  6. Step 6: Final answer
    x = 126,640.94

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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.