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Finding the Third Proportional to 3,980,493 and 8,706,248.44

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Solution

The third proportional to 3,980,493 and 8,706,248.44 is: 19,042,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,493 : 8,706,248.44 = 8,706,248.44 : x
  2. Step 2: Convert to fraction form
    3,980,493/8,706,248.44 = 8,706,248.44/x
  3. Step 3: Cross multiply
    3,980,493x = 8,706,248.44 × 8,706,248.44
  4. Step 4: Simplify right side
    3,980,493x = 75,798,761,855,471.19
  5. Step 5: Solve for x
    x = 75,798,761,855,471.19/3,980,493
  6. Step 6: Final answer
    x = 19,042,556.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.