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Finding the Third Proportional to 7,612,768 and 11,801,616

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Solution

The third proportional to 7,612,768 and 11,801,616 is: 18,295,334.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612,768 : 11,801,616 = 11,801,616 : x
  2. Step 2: Convert to fraction form
    7,612,768/11,801,616 = 11,801,616/x
  3. Step 3: Cross multiply
    7,612,768x = 11,801,616 × 11,801,616
  4. Step 4: Simplify right side
    7,612,768x = 139,278,140,211,456
  5. Step 5: Solve for x
    x = 139,278,140,211,456/7,612,768
  6. Step 6: Final answer
    x = 18,295,334.92

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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.