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Finding the Third Proportional to 5,718,171 and 12,556,086

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Solution

The third proportional to 5,718,171 and 12,556,086 is: 27,570,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,171 : 12,556,086 = 12,556,086 : x
  2. Step 2: Convert to fraction form
    5,718,171/12,556,086 = 12,556,086/x
  3. Step 3: Cross multiply
    5,718,171x = 12,556,086 × 12,556,086
  4. Step 4: Simplify right side
    5,718,171x = 157,655,295,639,396
  5. Step 5: Solve for x
    x = 157,655,295,639,396/5,718,171
  6. Step 6: Final answer
    x = 27,570,930.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.