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Finding the Third Proportional to 8,856,974 and 13,239,318

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Solution

The third proportional to 8,856,974 and 13,239,318 is: 19,790,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,974 : 13,239,318 = 13,239,318 : x
  2. Step 2: Convert to fraction form
    8,856,974/13,239,318 = 13,239,318/x
  3. Step 3: Cross multiply
    8,856,974x = 13,239,318 × 13,239,318
  4. Step 4: Simplify right side
    8,856,974x = 175,279,541,105,124
  5. Step 5: Solve for x
    x = 175,279,541,105,124/8,856,974
  6. Step 6: Final answer
    x = 19,790,002.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.