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Finding the Third Proportional to 20,008 and 43,615

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Solution

The third proportional to 20,008 and 43,615 is: 95,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008 : 43,615 = 43,615 : x
  2. Step 2: Convert to fraction form
    20,008/43,615 = 43,615/x
  3. Step 3: Cross multiply
    20,008x = 43,615 × 43,615
  4. Step 4: Simplify right side
    20,008x = 1,902,268,225
  5. Step 5: Solve for x
    x = 1,902,268,225/20,008
  6. Step 6: Final answer
    x = 95,075.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.