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Finding the Third Proportional to 20,115 and 44,169

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Solution

The third proportional to 20,115 and 44,169 is: 96,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115 : 44,169 = 44,169 : x
  2. Step 2: Convert to fraction form
    20,115/44,169 = 44,169/x
  3. Step 3: Cross multiply
    20,115x = 44,169 × 44,169
  4. Step 4: Simplify right side
    20,115x = 1,950,900,561
  5. Step 5: Solve for x
    x = 1,950,900,561/20,115
  6. Step 6: Final answer
    x = 96,987.35

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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.