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Finding the Third Proportional to 4,270,347 and 9,328,661

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Solution

The third proportional to 4,270,347 and 9,328,661 is: 20,378,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,347 : 9,328,661 = 9,328,661 : x
  2. Step 2: Convert to fraction form
    4,270,347/9,328,661 = 9,328,661/x
  3. Step 3: Cross multiply
    4,270,347x = 9,328,661 × 9,328,661
  4. Step 4: Simplify right side
    4,270,347x = 87,023,916,052,921
  5. Step 5: Solve for x
    x = 87,023,916,052,921/4,270,347
  6. Step 6: Final answer
    x = 20,378,652.15

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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.