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Finding the Third Proportional to 12,922,468 and 20,006,837

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Solution

The third proportional to 12,922,468 and 20,006,837 is: 30,975,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,468 : 20,006,837 = 20,006,837 : x
  2. Step 2: Convert to fraction form
    12,922,468/20,006,837 = 20,006,837/x
  3. Step 3: Cross multiply
    12,922,468x = 20,006,837 × 20,006,837
  4. Step 4: Simplify right side
    12,922,468x = 400,273,526,744,569
  5. Step 5: Solve for x
    x = 400,273,526,744,569/12,922,468
  6. Step 6: Final answer
    x = 30,975,006.23

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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.