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Finding the Third Proportional to 21,255,728 and 33,838,496

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Solution

The third proportional to 21,255,728 and 33,838,496 is: 53,869,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,728 : 33,838,496 = 33,838,496 : x
  2. Step 2: Convert to fraction form
    21,255,728/33,838,496 = 33,838,496/x
  3. Step 3: Cross multiply
    21,255,728x = 33,838,496 × 33,838,496
  4. Step 4: Simplify right side
    21,255,728x = 1,145,043,811,542,016
  5. Step 5: Solve for x
    x = 1,145,043,811,542,016/21,255,728
  6. Step 6: Final answer
    x = 53,869,893.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.