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Finding the Third Proportional to 254,836,372 and 393,520,286

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Solution

The third proportional to 254,836,372 and 393,520,286 is: 607,677,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,836,372 : 393,520,286 = 393,520,286 : x
  2. Step 2: Convert to fraction form
    254,836,372/393,520,286 = 393,520,286/x
  3. Step 3: Cross multiply
    254,836,372x = 393,520,286 × 393,520,286
  4. Step 4: Simplify right side
    254,836,372x = 154,858,215,493,521,792
  5. Step 5: Solve for x
    x = 154,858,215,493,521,792/254,836,372
  6. Step 6: Final answer
    x = 607,677,052.84

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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.