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Finding the Third Proportional to 20,871 and 44,778

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Solution

The third proportional to 20,871 and 44,778 is: 96,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871 : 44,778 = 44,778 : x
  2. Step 2: Convert to fraction form
    20,871/44,778 = 44,778/x
  3. Step 3: Cross multiply
    20,871x = 44,778 × 44,778
  4. Step 4: Simplify right side
    20,871x = 2,005,069,284
  5. Step 5: Solve for x
    x = 2,005,069,284/20,871
  6. Step 6: Final answer
    x = 96,069.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.