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Finding the Third Proportional to 9,380,289 and 20,556,186

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Solution

The third proportional to 9,380,289 and 20,556,186 is: 45,047,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380,289 : 20,556,186 = 20,556,186 : x
  2. Step 2: Convert to fraction form
    9,380,289/20,556,186 = 20,556,186/x
  3. Step 3: Cross multiply
    9,380,289x = 20,556,186 × 20,556,186
  4. Step 4: Simplify right side
    9,380,289x = 422,556,782,866,596
  5. Step 5: Solve for x
    x = 422,556,782,866,596/9,380,289
  6. Step 6: Final answer
    x = 45,047,309.62

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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.