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Finding the Third Proportional to 13,466,846 and 20,894,979

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Solution

The third proportional to 13,466,846 and 20,894,979 is: 32,420,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,846 : 20,894,979 = 20,894,979 : x
  2. Step 2: Convert to fraction form
    13,466,846/20,894,979 = 20,894,979/x
  3. Step 3: Cross multiply
    13,466,846x = 20,894,979 × 20,894,979
  4. Step 4: Simplify right side
    13,466,846x = 436,600,147,410,441
  5. Step 5: Solve for x
    x = 436,600,147,410,441/13,466,846
  6. Step 6: Final answer
    x = 32,420,371.29

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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.