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Finding the Third Proportional to 254,836,352 and 393,520,256

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Solution

The third proportional to 254,836,352 and 393,520,256 is: 607,677,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,836,352 : 393,520,256 = 393,520,256 : x
  2. Step 2: Convert to fraction form
    254,836,352/393,520,256 = 393,520,256/x
  3. Step 3: Cross multiply
    254,836,352x = 393,520,256 × 393,520,256
  4. Step 4: Simplify right side
    254,836,352x = 154,858,191,882,305,536
  5. Step 5: Solve for x
    x = 154,858,191,882,305,536/254,836,352
  6. Step 6: Final answer
    x = 607,677,007.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.