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Finding the Third Proportional to 7,961,872 and 12,008,796

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Solution

The third proportional to 7,961,872 and 12,008,796 is: 18,112,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961,872 : 12,008,796 = 12,008,796 : x
  2. Step 2: Convert to fraction form
    7,961,872/12,008,796 = 12,008,796/x
  3. Step 3: Cross multiply
    7,961,872x = 12,008,796 × 12,008,796
  4. Step 4: Simplify right side
    7,961,872x = 144,211,181,369,616
  5. Step 5: Solve for x
    x = 144,211,181,369,616/7,961,872
  6. Step 6: Final answer
    x = 18,112,722.91

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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.