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Finding the Third Proportional to 70,313,972 and 154,242,568

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Solution

The third proportional to 70,313,972 and 154,242,568 is: 338,350,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,313,972 : 154,242,568 = 154,242,568 : x
  2. Step 2: Convert to fraction form
    70,313,972/154,242,568 = 154,242,568/x
  3. Step 3: Cross multiply
    70,313,972x = 154,242,568 × 154,242,568
  4. Step 4: Simplify right side
    70,313,972x = 23,790,769,783,234,624
  5. Step 5: Solve for x
    x = 23,790,769,783,234,624/70,313,972
  6. Step 6: Final answer
    x = 338,350,531.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.