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Finding the Third Proportional to 8,708,832 and 18,455,917

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Solution

The third proportional to 8,708,832 and 18,455,917 is: 39,112,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,832 : 18,455,917 = 18,455,917 : x
  2. Step 2: Convert to fraction form
    8,708,832/18,455,917 = 18,455,917/x
  3. Step 3: Cross multiply
    8,708,832x = 18,455,917 × 18,455,917
  4. Step 4: Simplify right side
    8,708,832x = 340,620,872,310,889
  5. Step 5: Solve for x
    x = 340,620,872,310,889/8,708,832
  6. Step 6: Final answer
    x = 39,112,118.86

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.