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Finding the Third Proportional to 28,446 and 62,238

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Solution

The third proportional to 28,446 and 62,238 is: 136,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446 : 62,238 = 62,238 : x
  2. Step 2: Convert to fraction form
    28,446/62,238 = 62,238/x
  3. Step 3: Cross multiply
    28,446x = 62,238 × 62,238
  4. Step 4: Simplify right side
    28,446x = 3,873,568,644
  5. Step 5: Solve for x
    x = 3,873,568,644/28,446
  6. Step 6: Final answer
    x = 136,172.70

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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.