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Finding the Third Proportional to 20,808 and 48,580

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Solution

The third proportional to 20,808 and 48,580 is: 113,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808 : 48,580 = 48,580 : x
  2. Step 2: Convert to fraction form
    20,808/48,580 = 48,580/x
  3. Step 3: Cross multiply
    20,808x = 48,580 × 48,580
  4. Step 4: Simplify right side
    20,808x = 2,360,016,400
  5. Step 5: Solve for x
    x = 2,360,016,400/20,808
  6. Step 6: Final answer
    x = 113,418.70

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.