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Finding the Third Proportional to 18,906 and 29,020

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Solution

The third proportional to 18,906 and 29,020 is: 44,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906 : 29,020 = 29,020 : x
  2. Step 2: Convert to fraction form
    18,906/29,020 = 29,020/x
  3. Step 3: Cross multiply
    18,906x = 29,020 × 29,020
  4. Step 4: Simplify right side
    18,906x = 842,160,400
  5. Step 5: Solve for x
    x = 842,160,400/18,906
  6. Step 6: Final answer
    x = 44,544.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.