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Finding the Third Proportional to 55,764,021 and 120,792,171

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Solution

The third proportional to 55,764,021 and 120,792,171 is: 261,651,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764,021 : 120,792,171 = 120,792,171 : x
  2. Step 2: Convert to fraction form
    55,764,021/120,792,171 = 120,792,171/x
  3. Step 3: Cross multiply
    55,764,021x = 120,792,171 × 120,792,171
  4. Step 4: Simplify right side
    55,764,021x = 14,590,748,574,893,240
  5. Step 5: Solve for x
    x = 14,590,748,574,893,240/55,764,021
  6. Step 6: Final answer
    x = 261,651,658.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.