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Finding the Third Proportional to 72,628,758 and 155,618,962

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Solution

The third proportional to 72,628,758 and 155,618,962 is: 333,439,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,758 : 155,618,962 = 155,618,962 : x
  2. Step 2: Convert to fraction form
    72,628,758/155,618,962 = 155,618,962/x
  3. Step 3: Cross multiply
    72,628,758x = 155,618,962 × 155,618,962
  4. Step 4: Simplify right side
    72,628,758x = 24,217,261,333,957,444
  5. Step 5: Solve for x
    x = 24,217,261,333,957,444/72,628,758
  6. Step 6: Final answer
    x = 333,439,012.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.