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Finding the Third Proportional to 57,702,928 and 121,844,384

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Solution

The third proportional to 57,702,928 and 121,844,384 is: 257,284,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702,928 : 121,844,384 = 121,844,384 : x
  2. Step 2: Convert to fraction form
    57,702,928/121,844,384 = 121,844,384/x
  3. Step 3: Cross multiply
    57,702,928x = 121,844,384 × 121,844,384
  4. Step 4: Simplify right side
    57,702,928x = 14,846,053,912,339,456
  5. Step 5: Solve for x
    x = 14,846,053,912,339,456/57,702,928
  6. Step 6: Final answer
    x = 257,284,238.89

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.