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Finding the Third Proportional to 20,107 and 26,470

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Solution

The third proportional to 20,107 and 26,470 is: 34,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107 : 26,470 = 26,470 : x
  2. Step 2: Convert to fraction form
    20,107/26,470 = 26,470/x
  3. Step 3: Cross multiply
    20,107x = 26,470 × 26,470
  4. Step 4: Simplify right side
    20,107x = 700,660,900
  5. Step 5: Solve for x
    x = 700,660,900/20,107
  6. Step 6: Final answer
    x = 34,846.62

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.