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Finding the Third Proportional to 13,241,664 and 20,247,408

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Solution

The third proportional to 13,241,664 and 20,247,408 is: 30,959,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241,664 : 20,247,408 = 20,247,408 : x
  2. Step 2: Convert to fraction form
    13,241,664/20,247,408 = 20,247,408/x
  3. Step 3: Cross multiply
    13,241,664x = 20,247,408 × 20,247,408
  4. Step 4: Simplify right side
    13,241,664x = 409,957,530,718,464
  5. Step 5: Solve for x
    x = 409,957,530,718,464/13,241,664
  6. Step 6: Final answer
    x = 30,959,668.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.