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Finding the Third Proportional to 20,478 and 44,661

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Solution

The third proportional to 20,478 and 44,661 is: 97,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478 : 44,661 = 44,661 : x
  2. Step 2: Convert to fraction form
    20,478/44,661 = 44,661/x
  3. Step 3: Cross multiply
    20,478x = 44,661 × 44,661
  4. Step 4: Simplify right side
    20,478x = 1,994,604,921
  5. Step 5: Solve for x
    x = 1,994,604,921/20,478
  6. Step 6: Final answer
    x = 97,402.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.