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Finding the Third Proportional to 20,621 and 44,159

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Solution

The third proportional to 20,621 and 44,159 is: 94,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621 : 44,159 = 44,159 : x
  2. Step 2: Convert to fraction form
    20,621/44,159 = 44,159/x
  3. Step 3: Cross multiply
    20,621x = 44,159 × 44,159
  4. Step 4: Simplify right side
    20,621x = 1,950,017,281
  5. Step 5: Solve for x
    x = 1,950,017,281/20,621
  6. Step 6: Final answer
    x = 94,564.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.