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Finding the Third Proportional to 21,336 and 44,409

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Solution

The third proportional to 21,336 and 44,409 is: 92,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336 : 44,409 = 44,409 : x
  2. Step 2: Convert to fraction form
    21,336/44,409 = 44,409/x
  3. Step 3: Cross multiply
    21,336x = 44,409 × 44,409
  4. Step 4: Simplify right side
    21,336x = 1,972,159,281
  5. Step 5: Solve for x
    x = 1,972,159,281/21,336
  6. Step 6: Final answer
    x = 92,433.41

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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.