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Finding the Third Proportional to 38,202,615 and 82,455,147

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Solution

The third proportional to 38,202,615 and 82,455,147 is: 177,968,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202,615 : 82,455,147 = 82,455,147 : x
  2. Step 2: Convert to fraction form
    38,202,615/82,455,147 = 82,455,147/x
  3. Step 3: Cross multiply
    38,202,615x = 82,455,147 × 82,455,147
  4. Step 4: Simplify right side
    38,202,615x = 6,798,851,266,791,609
  5. Step 5: Solve for x
    x = 6,798,851,266,791,609/38,202,615
  6. Step 6: Final answer
    x = 177,968,216.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.