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Finding the Third Proportional to 8,378,372 and 13,106,694

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Solution

The third proportional to 8,378,372 and 13,106,694 is: 20,503,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,372 : 13,106,694 = 13,106,694 : x
  2. Step 2: Convert to fraction form
    8,378,372/13,106,694 = 13,106,694/x
  3. Step 3: Cross multiply
    8,378,372x = 13,106,694 × 13,106,694
  4. Step 4: Simplify right side
    8,378,372x = 171,785,427,609,636
  5. Step 5: Solve for x
    x = 171,785,427,609,636/8,378,372
  6. Step 6: Final answer
    x = 20,503,437.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.