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Finding the Third Proportional to 20,914 and 45,086

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Solution

The third proportional to 20,914 and 45,086 is: 97,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914 : 45,086 = 45,086 : x
  2. Step 2: Convert to fraction form
    20,914/45,086 = 45,086/x
  3. Step 3: Cross multiply
    20,914x = 45,086 × 45,086
  4. Step 4: Simplify right side
    20,914x = 2,032,747,396
  5. Step 5: Solve for x
    x = 2,032,747,396/20,914
  6. Step 6: Final answer
    x = 97,195.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.