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Finding the Third Proportional to 349,084,137 and 520,598,976

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Solution

The third proportional to 349,084,137 and 520,598,976 is: 776,383,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,084,137 : 520,598,976 = 520,598,976 : x
  2. Step 2: Convert to fraction form
    349,084,137/520,598,976 = 520,598,976/x
  3. Step 3: Cross multiply
    349,084,137x = 520,598,976 × 520,598,976
  4. Step 4: Simplify right side
    349,084,137x = 271,023,293,812,248,576
  5. Step 5: Solve for x
    x = 271,023,293,812,248,576/349,084,137
  6. Step 6: Final answer
    x = 776,383,871.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.