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Finding the Third Proportional to 26,220 and 38,934

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Solution

The third proportional to 26,220 and 38,934 is: 57,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220 : 38,934 = 38,934 : x
  2. Step 2: Convert to fraction form
    26,220/38,934 = 38,934/x
  3. Step 3: Cross multiply
    26,220x = 38,934 × 38,934
  4. Step 4: Simplify right side
    26,220x = 1,515,856,356
  5. Step 5: Solve for x
    x = 1,515,856,356/26,220
  6. Step 6: Final answer
    x = 57,812.98

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.