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Finding the Third Proportional to 11,415,408 and 17,219,880

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Solution

The third proportional to 11,415,408 and 17,219,880 is: 25,975,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415,408 : 17,219,880 = 17,219,880 : x
  2. Step 2: Convert to fraction form
    11,415,408/17,219,880 = 17,219,880/x
  3. Step 3: Cross multiply
    11,415,408x = 17,219,880 × 17,219,880
  4. Step 4: Simplify right side
    11,415,408x = 296,524,267,214,400
  5. Step 5: Solve for x
    x = 296,524,267,214,400/11,415,408
  6. Step 6: Final answer
    x = 25,975,792.30

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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.