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Finding the Third Proportional to 1,581,383,315 and 2,313,863,021

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Solution

The third proportional to 1,581,383,315 and 2,313,863,021 is: 3,385,619,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,383,315 : 2,313,863,021 = 2,313,863,021 : x
  2. Step 2: Convert to fraction form
    1,581,383,315/2,313,863,021 = 2,313,863,021/x
  3. Step 3: Cross multiply
    1,581,383,315x = 2,313,863,021 × 2,313,863,021
  4. Step 4: Simplify right side
    1,581,383,315x = 5,353,962,079,951,246,336
  5. Step 5: Solve for x
    x = 5,353,962,079,951,246,336/1,581,383,315
  6. Step 6: Final answer
    x = 3,385,619,431.52

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.