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Finding the Third Proportional to 12,922,351 and 20,006,637

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Solution

The third proportional to 12,922,351 and 20,006,637 is: 30,974,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,351 : 20,006,637 = 20,006,637 : x
  2. Step 2: Convert to fraction form
    12,922,351/20,006,637 = 20,006,637/x
  3. Step 3: Cross multiply
    12,922,351x = 20,006,637 × 20,006,637
  4. Step 4: Simplify right side
    12,922,351x = 400,265,524,049,769
  5. Step 5: Solve for x
    x = 400,265,524,049,769/12,922,351
  6. Step 6: Final answer
    x = 30,974,667.38

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.