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Finding the Third Proportional to 7,867,388 and 11,873,446

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Solution

The third proportional to 7,867,388 and 11,873,446 is: 17,919,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,388 : 11,873,446 = 11,873,446 : x
  2. Step 2: Convert to fraction form
    7,867,388/11,873,446 = 11,873,446/x
  3. Step 3: Cross multiply
    7,867,388x = 11,873,446 × 11,873,446
  4. Step 4: Simplify right side
    7,867,388x = 140,978,719,914,916
  5. Step 5: Solve for x
    x = 140,978,719,914,916/7,867,388
  6. Step 6: Final answer
    x = 17,919,380.60

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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.