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Finding the Third Proportional to 3,986,202 and 9,358,245

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Solution

The third proportional to 3,986,202 and 9,358,245 is: 21,969,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,202 : 9,358,245 = 9,358,245 : x
  2. Step 2: Convert to fraction form
    3,986,202/9,358,245 = 9,358,245/x
  3. Step 3: Cross multiply
    3,986,202x = 9,358,245 × 9,358,245
  4. Step 4: Simplify right side
    3,986,202x = 87,576,749,480,025
  5. Step 5: Solve for x
    x = 87,576,749,480,025/3,986,202
  6. Step 6: Final answer
    x = 21,969,972.79

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.