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Finding the Third Proportional to 20,799 and 45,101

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Solution

The third proportional to 20,799 and 45,101 is: 97,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799 : 45,101 = 45,101 : x
  2. Step 2: Convert to fraction form
    20,799/45,101 = 45,101/x
  3. Step 3: Cross multiply
    20,799x = 45,101 × 45,101
  4. Step 4: Simplify right side
    20,799x = 2,034,100,201
  5. Step 5: Solve for x
    x = 2,034,100,201/20,799
  6. Step 6: Final answer
    x = 97,797.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.