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Finding the Third Proportional to 4,029,672 and 8,768,256

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Solution

The third proportional to 4,029,672 and 8,768,256 is: 19,079,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029,672 : 8,768,256 = 8,768,256 : x
  2. Step 2: Convert to fraction form
    4,029,672/8,768,256 = 8,768,256/x
  3. Step 3: Cross multiply
    4,029,672x = 8,768,256 × 8,768,256
  4. Step 4: Simplify right side
    4,029,672x = 76,882,313,281,536
  5. Step 5: Solve for x
    x = 76,882,313,281,536/4,029,672
  6. Step 6: Final answer
    x = 19,079,049.93

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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.