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Finding the Third Proportional to 13,690,189 and 20,492,637

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Solution

The third proportional to 13,690,189 and 20,492,637 is: 30,675,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,189 : 20,492,637 = 20,492,637 : x
  2. Step 2: Convert to fraction form
    13,690,189/20,492,637 = 20,492,637/x
  3. Step 3: Cross multiply
    13,690,189x = 20,492,637 × 20,492,637
  4. Step 4: Simplify right side
    13,690,189x = 419,948,171,213,769
  5. Step 5: Solve for x
    x = 419,948,171,213,769/13,690,189
  6. Step 6: Final answer
    x = 30,675,118.60

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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.