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Finding the Third Proportional to 11,754,469 and 18,163,648

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Solution

The third proportional to 11,754,469 and 18,163,648 is: 28,067,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,469 : 18,163,648 = 18,163,648 : x
  2. Step 2: Convert to fraction form
    11,754,469/18,163,648 = 18,163,648/x
  3. Step 3: Cross multiply
    11,754,469x = 18,163,648 × 18,163,648
  4. Step 4: Simplify right side
    11,754,469x = 329,918,108,667,904
  5. Step 5: Solve for x
    x = 329,918,108,667,904/11,754,469
  6. Step 6: Final answer
    x = 28,067,461.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.