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Finding the Third Proportional to 20,106 and 45,779

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Solution

The third proportional to 20,106 and 45,779 is: 104,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106 : 45,779 = 45,779 : x
  2. Step 2: Convert to fraction form
    20,106/45,779 = 45,779/x
  3. Step 3: Cross multiply
    20,106x = 45,779 × 45,779
  4. Step 4: Simplify right side
    20,106x = 2,095,716,841
  5. Step 5: Solve for x
    x = 2,095,716,841/20,106
  6. Step 6: Final answer
    x = 104,233.41

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.