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Finding the Third Proportional to 13,291,739 and 19,915,434

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Solution

The third proportional to 13,291,739 and 19,915,434 is: 29,839,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,739 : 19,915,434 = 19,915,434 : x
  2. Step 2: Convert to fraction form
    13,291,739/19,915,434 = 19,915,434/x
  3. Step 3: Cross multiply
    13,291,739x = 19,915,434 × 19,915,434
  4. Step 4: Simplify right side
    13,291,739x = 396,624,511,408,356
  5. Step 5: Solve for x
    x = 396,624,511,408,356/13,291,739
  6. Step 6: Final answer
    x = 29,839,926.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.