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Finding the Third Proportional to 20,011 and 43,778

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Solution

The third proportional to 20,011 and 43,778 is: 95,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011 : 43,778 = 43,778 : x
  2. Step 2: Convert to fraction form
    20,011/43,778 = 43,778/x
  3. Step 3: Cross multiply
    20,011x = 43,778 × 43,778
  4. Step 4: Simplify right side
    20,011x = 1,916,513,284
  5. Step 5: Solve for x
    x = 1,916,513,284/20,011
  6. Step 6: Final answer
    x = 95,772.99

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.