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Finding the Third Proportional to 20,894 and 45,922

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Solution

The third proportional to 20,894 and 45,922 is: 100,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894 : 45,922 = 45,922 : x
  2. Step 2: Convert to fraction form
    20,894/45,922 = 45,922/x
  3. Step 3: Cross multiply
    20,894x = 45,922 × 45,922
  4. Step 4: Simplify right side
    20,894x = 2,108,830,084
  5. Step 5: Solve for x
    x = 2,108,830,084/20,894
  6. Step 6: Final answer
    x = 100,929.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.