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Finding the Third Proportional to 11,943,153 and 18,013,711

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Solution

The third proportional to 11,943,153 and 18,013,711 is: 27,169,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943,153 : 18,013,711 = 18,013,711 : x
  2. Step 2: Convert to fraction form
    11,943,153/18,013,711 = 18,013,711/x
  3. Step 3: Cross multiply
    11,943,153x = 18,013,711 × 18,013,711
  4. Step 4: Simplify right side
    11,943,153x = 324,493,783,991,521
  5. Step 5: Solve for x
    x = 324,493,783,991,521/11,943,153
  6. Step 6: Final answer
    x = 27,169,859.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.