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Finding the Third Proportional to 21,813 and 44,604

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Solution

The third proportional to 21,813 and 44,604 is: 91,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813 : 44,604 = 44,604 : x
  2. Step 2: Convert to fraction form
    21,813/44,604 = 44,604/x
  3. Step 3: Cross multiply
    21,813x = 44,604 × 44,604
  4. Step 4: Simplify right side
    21,813x = 1,989,516,816
  5. Step 5: Solve for x
    x = 1,989,516,816/21,813
  6. Step 6: Final answer
    x = 91,207.85

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.