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Finding the Third Proportional to 20,948 and 43,600

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Solution

The third proportional to 20,948 and 43,600 is: 90,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,948 : 43,600 = 43,600 : x
  2. Step 2: Convert to fraction form
    20,948/43,600 = 43,600/x
  3. Step 3: Cross multiply
    20,948x = 43,600 × 43,600
  4. Step 4: Simplify right side
    20,948x = 1,900,960,000
  5. Step 5: Solve for x
    x = 1,900,960,000/20,948
  6. Step 6: Final answer
    x = 90,746.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.