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Finding the Third Proportional to 8,637,129 and 18,469,818

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Solution

The third proportional to 8,637,129 and 18,469,818 is: 39,496,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,129 : 18,469,818 = 18,469,818 : x
  2. Step 2: Convert to fraction form
    8,637,129/18,469,818 = 18,469,818/x
  3. Step 3: Cross multiply
    8,637,129x = 18,469,818 × 18,469,818
  4. Step 4: Simplify right side
    8,637,129x = 341,134,176,953,124
  5. Step 5: Solve for x
    x = 341,134,176,953,124/8,637,129
  6. Step 6: Final answer
    x = 39,496,246.61

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