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Finding the Third Proportional to 8,996,568 and 12,821,730

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Solution

The third proportional to 8,996,568 and 12,821,730 is: 18,273,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996,568 : 12,821,730 = 12,821,730 : x
  2. Step 2: Convert to fraction form
    8,996,568/12,821,730 = 12,821,730/x
  3. Step 3: Cross multiply
    8,996,568x = 12,821,730 × 12,821,730
  4. Step 4: Simplify right side
    8,996,568x = 164,396,760,192,900
  5. Step 5: Solve for x
    x = 164,396,760,192,900/8,996,568
  6. Step 6: Final answer
    x = 18,273,274.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.