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Finding the Third Proportional to 38,189 and 83,722

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Solution

The third proportional to 38,189 and 83,722 is: 183,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189 : 83,722 = 83,722 : x
  2. Step 2: Convert to fraction form
    38,189/83,722 = 83,722/x
  3. Step 3: Cross multiply
    38,189x = 83,722 × 83,722
  4. Step 4: Simplify right side
    38,189x = 7,009,373,284
  5. Step 5: Solve for x
    x = 7,009,373,284/38,189
  6. Step 6: Final answer
    x = 183,544.30

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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.